Find the axis of symmetry of the quadratic function.f(x) = (x + 4)2 - 2
A. x = -4
B. x = 4
C. x = 2
D. x = -2
Answer: A
Mathematics
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Find the center and the radius of the circle.x2 + (y + 1)2 = 
A. (0, -1), r = 
B. (0, 1), r = 
C. (0, 1), r = 
D. (0, -1), r = 
Mathematics
Solve the problem.A biologist has a bacteria sample. She records the amount of bacteria every week for 8 weeks and finds that the exponential function of best fit to the data is A = 150 ? 1.79t. Express the function of best fit in the form 
What will be an ideal response?
Mathematics
Divide.(x2 + 2x - 8) ÷ (x + 4)
A. x2 - 2 B. x + 2 C. x - 2 D. x2 + 3x - 4
Mathematics