Consider the function h as defined. Find functions f and g so that (f ? g)(x) = h(x).h(x) = (-8x + 9)9
A. f(x) = (-8x)9, g(x) = 9
B. f(x) = x9, g(x) = -8x + 9
C. f(x) = -8x9, g(x) = x + 9
D. f(x) = -8x + 9, g(x) = x9
Answer: B
Mathematics
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Factor completely. If the polynomial cannot be factored, write "prime."x2 - 10x + 16
A. (x - 2)(x - 8) B. (x + 2)(x - 8) C. (x + 2)(x + 8) D. (x - 2)(x + 8)
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Express the integrand as a sum of partial fractions and evaluate the integral.
A. 
+ 
ln 
+ C
B. 
+ 
ln 
+ C
C. 
+ 
ln 
+ C
D. 
+ 
ln 
+ C
Mathematics
Find the domain of the function.f(x) = x2 + 7
A. {x|x ? -7}, or [-7, ?) B. {x|x ? -7}, or (-?, -7) ? (-7, ?) C. {x|x > -7}, or (-7, ?) D. all real numbers, or (-?, ?)
Mathematics
Solve the quadratic equation and simplify your answer. Use i notation for any complex numbers.
- 
= - 
A. x = 
, x = 7
B. x = 
, x = 7
C. x = - 
, x = 7
D. x = 
, x = -7
Mathematics