Factor completely.16x2 - 9
A. (4x - 3)2
B. Prime
C. (4x + 3)2
D. (4x + 3)(4x - 3)
Answer: D
Mathematics
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Graph.f(x) = 
x + 1
A. 
B. 
C. 
D. 
Mathematics
Decide whether the slope is positive, negative, zero, or undefined.
A. Positive B. Negative C. Undefined D. Zero
Mathematics
Use a method of your choice to solve the equation.x2 + 4x - 21 = 0
A. x = -3 or x = 7 B. x = 3 or x = -7 C. x = 3or x = 7 D. x = -3 or x = -7
Mathematics
Examine the function 
for relative extrema.
?
A. relative maximum: 
B. relative minimum: 
C. relative maximum: 
D. relative minimum: 
E. no relative extrema
Mathematics