Evaluate the function.P(x) = -7x3 - 6x2 + 8x - 7; P(-2)
A. 35
B. 89
C. -71
D. 9
Answer: D
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Solve the problem.Given the velocity and initial position of a body moving along a coordinate line at time t, find the body's position at time t.v = cos 
t, s(0) = 1
A. s = 2? sin 
t
B. s = sin t
C. s = 
sin 
t + ?
D. s = 
sin 
t
Find a, such that the function 
has the domain (–4, 4).
Select the correct answer.
a. a = –16
b. 
c. 
d. a = 16
e. a = 4
Solve the problem.The cost y to produce x digital radios is given by the equation y = 74x + 3360 and the revenue y from the sale of these radios is given by the equation y = 102x. Find the break-even point to determine the cost/revenue when the company breaks even. Round to the nearest dollar, if necessary.
A. $1947 B. $12,240 C. $1233 D. $120
Find the vertex of the parabola.f(x) = x2 - 5
A. (-5, 0) B. (0, -5) C. (5, 0) D. (0, 5)