Use a graph of f to find rational roots and then write f in factored form.f(x) = 2x3 - 14x2 + 14x + 30
A. 2(x + 1)(x - 5)(x - 3)
B. 2(x - 1)(x + 5)(x + 3)
C. (x + 1)(x - 5)(x - 3)
D. (x - 1)(x + 5)(x - 3)
Answer: A
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Find the limit.
A. 9
B. -9
C. - 
D. 3
Solve.In a state with a population of 9,000,000 people, the average citizen spends $6,000 on housing each year. What is the total spent on housing for the state? Write your answer in scientific notation.
A. $5.4 × 1010 B. $5.4 × 109 C. $54 × 1010 D. $54 × 1011
Find the perimeter.Joe wants to frame his garden with pine lumber. How feet of lumber will he need?
A. 380 ft B. 542 ft C. 37,154 ft D. 532 ft
Find the intervals on which the function is increasing and the intervals on which the function is decreasing.f(x) = -2x2 + 7x + 8
A. Increasing on 
; decreasing on 
B. Increasing on 
; decreasing on 
C. Increasing on (-?, 0); decreasing on ( 0, ?)
D. Increasing on (-?, 1); decreasing on ( -1, ?)