Decide whether the graph of the equation opens up, down, to the left, or to the right; and whether it is wider, narrower, or the same shape as the graph of 
(or 
).f(x) = 
x2 + 7x - 9
A. Up; narrower
B. Up; wider
C. Down; narrower
D. Down; wider
Answer: B
Mathematics
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Match the surface show below to the graph of its level curves.
A. 
B. 
C. 
D. 
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Find the area of the figure. Use 3.14 for ?. Round results to one decimal.
A. 49.4 in.2 B. Not enough data C. 23.0 in.2 D. 45.9 in.2
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Find the x- and y-intercepts of f.f(x) = (x + 8)2
A. x-intercept: -8; y-intercept: 0 B. x-intercept: -8; y-intercept: 64 C. x-intercept: 8; y-intercept: 0 D. x-intercept: 8; y-intercept: 64
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Give the domain of the function.f(x) = 
A. (-?, -3] ? [5, ?) B. (-?, -3) ? (5, ?) C. (-3, 5) D. (-?, -3] ? (5, ?)
Mathematics