Factor the trinomial.24 + 5x - x2
A. (8 - x)(3 - x)
B. (8 - x)(3 + x)
C. (8 + x)(3 - x)
D. (x + 8)(x - 3)
Answer: B
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Find the domain and range of the function.f(x) = 9 + 
A. D: [0,?), R: [9,?) B. D: (-?, ?), R: [9,?) C. D: [0,?), R: (-?, ?) D. D: (-?,0], R: (-?,9]
Write the function in the form y = f(u) and u = g(x). Then find dy/dx as a function of x.y = (2x + 10)3
A. y = u3; u = 2x + 10; 
= 6(2x + 10)2
B. y = 3u + 10; u = x3; 
= 6x2
C. y = u3; u = 2x + 10; 
= 3(2x + 10)2
D. y = u3; u = 2x + 10; 
= 2(2x + 10)3
Factor out the GCF from the polynomial.12m8 + 16m5 - 40m2
A. 4m2(3m6 + 4m3 - 10) B. m2(12m6 + 16m3 - 40) C. 4(3m8 + 4m5 - 10m2) D. -4m2(3m6 - 4m3 + 10)
Perform the division. Write the answer with positive exponents.
A. 6x2 + 5x - 6 + 
+ 
B. 24x11 + 5x2 - 6 + 
+ 
C. 6x3 + 20x10 - 24x9 + 20x7 + 7x5
D. 6x3 + 5x2 - 6