Compute and simplify the difference quotient 
, h ? 0.f(x) = 5x2 + 7x
A. 15x - 7h + 14
B. 10x2 + 5h+ 7x
C. 10x + 5h + 7
D. 10x + 7
Answer: C
Mathematics
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Find the limit.
(12 - 10x)
A. -58 B. 58 C. 82 D. -82
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Multiply.-4(12)
A. -44 B. 44 C. -48 D. -60
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Find the value of c for which the expression is a perfect square trinomial. Then factor the perfect square trinomial.x2 - 
x + c
A. c = 
; x2 - 
x + 
= 
2
B. c = 
; x2 - 
x + 
= 
2
C. c = 
; x2 - 
x + 
= 
2
D. c = 
; x2 - 
x + 
= 
2
Mathematics
A piece of tin, 
inches on a side, is to have four equal squares cut from its corners, as in the illustration. If the edges are then to be folded up to make a box with a floor area of 81 square inches, find the depth of the box.
?
?
A. 11 in B. 13 in C. 6 in D. 12 in E. 9 in
Mathematics