Rewrite using the stated property.Commutative property; 21 ? 
A. 16 ? 
B. 
? 16
C. 21 ? 
D. 
? 21
Answer: D
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Given f(x) and g(x), find 
.f(x) = 2x4 + 9x2 - 56 and g(x) = x2 + 8
A. 
= 2x2 + 7
B. 
= 2x2 - 7
C. 
= 2x2 - 7 + 
D. 
= x2 - 7
Factor completely. If the polynomial cannot be factored, write "prime."8x6 - 10x3 - 12x3 + 15
A. (2x3 - 3)(4x3 - 5) B. (2x6 - 3)(4x - 5) C. (8x3 + 3)(x3 + 5) D. (2x3 + 3)(4x3 + 5)
Factor out the GCF from the polynomial.54x9y9+ 18x3y5 + 27x5y2
A. 9(6x9y9 + 2x3y5 + 3x5y2) B. 9x3y2(6x6y7 + 2y3 + 3x2) C. x3y2(54x6y7 + 18y3 + 27x2) D. 9x3(6x6y9 + 2y5 + 3x2y2)
Solve the following application involving graphing a linear equation.Assume that the value of a painting increases each year according to the equation 
where t is the number of years since the painter died. Use a graph of the equation to estimate when the value of the painting will be $60,000. 
A. 8 years after the painter dies B. 5 years after the painter dies C. 7 years after the painter dies D. 6 years after the painter dies