Find the x- and y-intercepts of f.f(x) = 7x - x3
A. x-intercepts: 0, 
, -
; y-intercept: 0
B. x-intercepts: 0, -7; y-intercept: 0
C. x-intercepts: 0, 
, -
; y-intercept: 7
D. x-intercepts: 0, -7; y-intercept: 7
Answer: A
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A. Inverse B. Direct
Graph the parabola with the given equation.(x + 2)2 = 5(y + 1)
A. 
B. 
C. 
D. 
Solve the problem.The cost of tuition at a community college is given by C(x) = 485 + 68x, where x is the number of credit hours. Find and interpret the C-intercept of the graph of this function.
A. 485; The tuition increases by $485 for each additional credit hour. B. 68; The tuition increases by $68 for each additional credit hour. C. 68; There is a tuition fee of $68 in addition to the charge per credit hour. D. 485; There is a tuition fee of $485 in addition to the charge per credit hour.
Simplify the expression.3p2 + 7p3 - 9p2 - 5p3
A. -6p2 + 2p3 B. 10p2 - 14p3 C. -4p2p3 D. -4p2