Simplify 5x 3{2x 2[x 2(1 x)]}

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  1. Simplify 5x 3{2x 2[x 2(1 x)]}

  2. Find the product ?5x4y ?10xy3

  3. ((9+3x)/(x+1))/((9-x^2)/(x^2-1))

  4. Simplify the expression -3(4x 2) 2(5x 4)

  5. Solve the formula for b: A = bh

  6. Solve the equation (4m 2) - 2(4m 2) = 15

  7. 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.

  8. If f(x) is a linear function such that f(-2) = 4 and f(3) = 14, which of the following could represent f(x)?

  9. 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 _____ ?

  10. 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?

  11. Solve using the quadratic formula 2x + 2x = 3

  12. Write in lowest terms: b + 6b - 16

    b + 5b 24

  13. Solve the inequality |-2x - 5| ? 6

  14. If i = ?-1, then (i + 1)(6i 10) is equivalent to

  15. Find the area of the following triangle.

  16. Find the missing side of the triangle.

  17. Solve for p from this formula from optics.

1/F = 1/m + 1/p

  1. 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?

  2. 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?

  3. Find the zero for the function f(x) = 4x - 11x - 3

  4. 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,

  1. Solve 3x - 2 = -4x

  2. Use synthetic division to find the function value for f(x) = x - 6x +11x -6, find f(3)

Answer ___

  1. The ____ of a line containing (x1, y1) and (x2, y2) is given by

  2. 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?

  3. 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?

  4. Leslie deposit $3000 into a CD and is earning 5% interest , compounded quarterly. What will be the value of the CD after 10 years?

  5. Find the x intercepts and the zeros of the function

f(x) = 2x -13x -7

  1. Solve for x, where log4 x = -3

  2. Find the distance between the points (-2, 3) and (4, -5)

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