Graph the parabola and label the vertex. Find the x-intercept.x = 
y2 + 3
A. vertex (3, 0), x-intercept (3, 0)
B. vertex (- 3, 0), x-intercept (- 3, 0)
C. vertex (- 3, 0), x-intercept (- 3, 0)
D. vertex (3, 0), x-intercept (3, 0)
Answer: D
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Write a differential formula that estimates the given change in volume or surface area.The change in the surface area S = 4?r2 of a sphere when the radius changes from r0 to r0 + dx
A. dS = 8?r0 dr B. dS = 4?r0 dr C. dS = 2?r0 dr D. dS = 4?r02 dr
Use the vertical line test to determine whether y is a function of x.
A. No B. Yes
Solve the formula for the specified variable.S = 2?rh + 2?r2 for h
A. h = 
- 1
B. h = 
C. h = S - r
D. h = 2?(S - r)
Find the zeros for the polynomial function and give the multiplicity for each zero. State whether the graph crosses the x-axis or touches the x-axis and turns around, at each zero.f(x) = 
4(x + 5)3
A. - 
, multiplicity 4, crosses the x-axis;
-5, multiplicity 3, touches the x-axis and turns around
B. 
, multiplicity 4, crosses the x-axis;
5, multiplicity 3, touches the x-axis and turns around
C. - 
, multiplicity 4, touches the x-axis and turns around;
-5, multiplicity 3, crosses the x-axis.
D. 
, multiplicity 4, touches the x-axis and turns around;
5, multiplicity 3, crosses the x-axis.