Find the relative extrema of the function, if they exist.f(x) = 
A. No relative extrema exist
B. Relative maximum at (0, -2)
C. Relative maximum at (0, 2)
D. Relative minimum at (0, -2)
Answer: D
Mathematics
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Provide an appropriate response.Which of the following pairs of parametric equations will graph a semicircle?
A. x = cos t, y = sin t, 0 ? t ? 
B. x = cos 
t, y = sin 
t, 0 ? t ? ?
C. x = cos 2t, y = sin 2t, 0 ? t ? ?
D. x = cos 
t, y = sin 
t, 0 ? t ? 4?
Mathematics
Solve the equation.
- 
= 8
A. 
B. {48}
C. {30}
D. {40}
Mathematics
Draw a unit circle centered at the origin and sketch ?A = 180°. Label as P where the side of A, not on the x-axis, intersects the unit circle. Find and label the coordinates of P on the unit circle.
What will be an ideal response?
Mathematics
Add or subtract as indicated.-6.1 - (-3.5)
A. -9.6 B. 9.6 C. 2.6 D. -2.6
Mathematics