Find the equation of the axis of symmetry of the parabola.f(x) = (x + 1)2 + 9
A. x = 1
B. y = -1
C. x = -1
D. y = 0
Answer: C
Mathematics
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Estimate the sum as indicated. Then answer the question.Estimate the following sum by first rounding to the nearest hundred. Does the estimate give you reason to doubt the stated sum?
A. Estimate: 126,200 ; no B. Estimate: 138,200 ; no C. Estimate: 126,200 ; yes D. Estimate: 138,200 ; yes
Mathematics
Solve for the indicated variable.Solve for t.rm = t2 - mt
A. t = 
B. t = 
C. t = 
D. t = 
Mathematics
Simplify. Leave answer with exponent.(-4)9 ? (-4)2
A. 1611 B. 411 C. 1618 D. -411
Mathematics
Add the integers.53 + (-27)
A. -80 B. 80 C. -26 D. 26
Mathematics