Evaluate the function.f(x) = x2 - 4, f(a + 4)
A. a2 + 8a + 12
B. a2 + 8a + 16
C. a2 + 16
D. a2 + 0
Answer: A
Mathematics
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Factor completely.9x2 - 3xt - 2t2
A. (9x + t)(x - 2t) B. (3x + t)(3x - 2t) C. Prime D. (3x - t)(3x + 2t)
Mathematics
Add or subtract, as indicated.5.945 + (-3.150)
A. -8.995 B. 2.795 C. -9.095 D. 18.727
Mathematics
Complete the table of values for the given equation.2x - 2y = -4; 
A. 
B. 
C. 
D. 
Mathematics
Decide whether the matrices are inverses of each other. (Check to see if their product is the identity matrix I.)
and 
A. Yes B. No
Mathematics