Write the standard form of the equation of the circle with radius r and center (h, k).r = 4; (h, k) = (0, 0)
A. x2 + y2 = 4
B. (x - 4)2 + (y - 4)2 = 16
C. x2 + y2 = 16
D. (x - 4)2 + (y - 4)2 = 4
Answer: C
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Determine whether the graph of the equation is symmetric with respect to the x-axis, the y-axis, and/or the origin.4x2 + y2 = 4
A. y-axis B. origin C. x-axis D. x-axis, y-axis, origin E. none
Determine the domain and the range of the function.f(x) = -x2 + 4x + 5
A. domain: {x|x ? -2} range: {y|y ? 9} B. domain: all real numbers range: {y|y ? 9} C. domain: all real numbers range: {y|y ? -9} D. domain: all real numbers range: all real numbers
Find the relative extrema of the function and classify each as a maximum or minimum.y = x3 - 3x2 + 5x - 6
A. Relative maximum: (2, 2) B. Relative maximum: (-1, 2) C. Relative minimum: (1, 2) D. No relative extrema exist
Provide an appropriate response.Ben drove his car 537 kilometers in 6 hours while he was on vacation in Italy. He was trying to estimate how far he could drive in 8 hours the next day so he set up the following proportion: 
Explain why this proportion will not give him the correct answer.
What will be an ideal response?