Find the y-intercept and any x-intercepts.y = -3x2 - 4x + 2
A. y-intercept (0, 2), x-intercepts and
B. y-intercept (0, 2), no x-intercepts
C. y-intercept (0, 2), x-intercepts and
D. y-intercept (0, 2), x-intercepts and
Answer: A
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Solve the problem.The shape of a barbecue pit is like a parallelogram with height of 50 in and a base of 32 in. It costs per ft2 to fill the pit with charcoals. How is the total cost?
A. $12.22 B. $48.89 C. $1760 D. $146.67
Find the unknown side of the right triangle. Use a calculator or square root table when necessary and round to the nearest thousandth.
A. 4 m B. 8 m C. 16 m D. 4 m
Solve the problem.The accompanying tables represent a function f that converts seconds to hours and a function g that converts hours to days.Express (f -1?g -1)(x) symbolically.
A. (f -1?g -1)(x) = 86,400x
B. (f -1?g -1)(x) =
C. (f -1?g -1)(x) =
D. (f -1?g -1)(x) = 86,400x2
Simplify. Assume that any variables are positive.
A.
B. 25x
C.
D. x