Simplify 5x 3{2x 2[x 2(1 x)]}
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Simplify 5x 3{2x 2[x 2(1 x)]}
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Find the product ?5x4y ?10xy3
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((9+3x)/(x+1))/((9-x^2)/(x^2-1))
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Simplify the expression -3(4x 2) 2(5x 4)
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Solve the formula for b: A = bh
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Solve the equation (4m 2) - 2(4m 2) = 15
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A farmer has 2000 feet of fencing available to enclose a rectangular field. One side of the field is a river, so only three sides require fencing. Express the area A as a function of x, where x is the length of the side parallel to the river.
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If f(x) is a linear function such that f(-2) = 4 and f(3) = 14, which of the following could represent f(x)?
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The length of a rectangular poster is one foot more then the width and the diagonal of the poster is 5 feet. What are the length __ and width _____ ?
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The function w(x) = -0.01x + 0.27x + 8.60 can be used to estimate the number of self-employed workers in America in millions, x years after 1980. For what years were there (or will be there) 9.7 million self-employed worker in America?
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Solve using the quadratic formula 2x + 2x = 3
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Write in lowest terms: b + 6b - 16
b + 5b 24
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Solve the inequality |-2x - 5| ? 6
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If i = ?-1, then (i + 1)(6i 10) is equivalent to
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Find the area of the following triangle.
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Find the missing side of the triangle.
- Solve for p from this formula from optics.
1/F = 1/m + 1/p
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Jan plans to invest $7500, part at 4% simple interest and the rest at 5% simple interest. What is the most that he can invest at 4% and still be guaranteed at least $325 per year?
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The following equation y = 6x + 121, estimates the number of faculty members at two year colleges, in thousands, where x is the number of years after 1970. For what year will there be more than 360,000 faculty members?
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Find the zero for the function f(x) = 4x - 11x - 3
- Which of these functions is(are) always increasing?
(I) f(x) = -x2 + 2x + 1
(II) f(x) = 2x - 1000
(III) f(x) = |x - 4| + 255
(IV) f(x) = -e-x,
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Solve 3x - 2 = -4x
- Use synthetic division to find the function value for f(x) = x - 6x +11x -6, find f(3)
Answer ___
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The ____ of a line containing (x1, y1) and (x2, y2) is given by
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To stop a moving car takes some time and distance. The stopping distance d of a car after the brakes have been applied varies directly as the square of the speed r. If a car traveling 60 mph can stop in 200 feet, how fast can a car travel and still stop in 72 feet?
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Science problem concerning a rocket. S(t) = -16t + 80t + 224 is the function that represent the height of a rocket. In this equation, given the height S, in feet, of a model rocket launched with a velocity of 80 ft/sec from a hill that is 224 feet high, where t is the time in seconds. When will the rocket reach the ground?
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Leslie deposit $3000 into a CD and is earning 5% interest , compounded quarterly. What will be the value of the CD after 10 years?
- Find the x intercepts and the zeros of the function
f(x) = 2x -13x -7
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Solve for x, where log4 x = -3
- Find the distance between the points (-2, 3) and (4, -5)