Simplify.-1 - 2(4 - 8)
A. -7
B. 9
C. -9
D. 7
Answer: D
Mathematics
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Express the statement as an equation involving the indicated variables.The volume V of a sphere is 
times ? times the cube of the radius r.
A. V = 
?r3
B. V = 
?r
C. V = 
?r2
D. V = 
? 
Mathematics
For the given functions f and g, find the composition.f(x) = x2 + 6x - 3; g(x) = 
Find (f ? g)(25).
A. 52 B. 55 C. 32 D. 35
Mathematics
Use differentiation to determine whether the integral formula is correct.
dx = - 
+ C
A. No B. Yes
Mathematics
Find the special products using patterns.(8y + x)(8y - x)
A. 64y2 + 16xy - x2 B. 64y2 - 16xy - x2 C. 16y2 - x2 D. 64y2 - x2
Mathematics