Find the second derivative.y = 8x4 - 3x2 + 7
A. 32x2 - 6
B. 96x2 - 6
C. 32x2 - 6x
D. 96x2 - 6x
Answer: B
Mathematics
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Find the domain of the composite function f ? g.f(x) = 3x + 6; g(x) = x + 7
A. {x 
B. {x 
C. {x 
D. {x 
Mathematics
Graph the equation by plotting points.y = |x| - 4
A. 
B. 
C. 
D. 
Mathematics
Write a differential equation that describes the rate of change of the indicated quantity.The annual sales y of a company are increasing at a rate of $150,000 per year.
A. 
= -150,000
B. 
= 150,000
C. 
= 150,000t
D. 
= -150,000t
Mathematics
Evaluate the function as indicated.Find f(-2.3) when f(x) = 12.
A. -2.3 B. -27.6 C. -12 D. 12
Mathematics