Evaluate the polynomial.-2x5 - 5x4 + 3x3 - x2for x = -2
A. -15
B. -49
C. -48
D. -44
Answer: D
Mathematics
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Find the exact value of the product.cos 
cos 
A. 
B. 
C. 
D. 
Mathematics
Determine whether the given equation is linear.-2 = 4x + 7
A. Linear B. Nonlinear
Mathematics
Find the indicated composition.f(x) = -4x + 4; g(x) = 3x + 3Find (g ? f)(x).
A. (g ? f)(x) = -12x + 16 B. (g ? f)(x) = x + 15 C. (g ? f)(x) = -12x + 15 D. (g ? f)(x) = -12x - 9
Mathematics
Solve the system. 
+ 
- 
= 
- 
+ 
/> = - 
- 
+ 
- 
= 
A. 
B. {(-2, 1, 7)}
C. {(-2, 1, -7)}
D. 
Mathematics