Describe the graph of the equation as either a circle or a parabola with a horizontal axis of symmetry.(x - 3)2 + (y + 1)2 = 16
A. The graph is a circle.
B. The graph is a horizontal parabola.
Answer: A
Mathematics
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Determine whether the given function is one-to-one. If it is one-to-one, find its inverse.f(x) = 7x2 + 6, x ? 0
A. f-1(x) = 
B. f-1(x) = 
C. not one-to-one
D. f-1(x) = 
Mathematics
Perform the indicated operations.Estimate by rounding to the nearest thousand, then find the actual sum.
A. Estimate: 6000 Actual: 5313 B. Estimate: 5000 Actual: 4872 C. Estimate: 4900 Actual: 4863 D. Estimate: 3000 Actual: 4869
Mathematics
Find the y-intercept.f(x) = x2 + 4x - 7
A. 4 B. -12 C. 7 D. -7
Mathematics
Evaluate the expression for the given replacement values.x - y
for x = -15, y = -7
A. 22 B. -8 C. 8 D. -22
Mathematics