Give an appropriate answer.A sphere has an area A and a radius r. The radius of the sphere is r = 
. Rewrite this expression by rationalizing the denominator and simplifying.
A. r = 
B. r = 
C. r =
D. r = 
Answer: D
Mathematics
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Divide the rational expressions.
÷ 
A. - 
B. 3
C. - 
D. - 
Mathematics
A rock is tossed upward from the ground. It rises and then falls back to the ground. Sketch a graph of distance up from the ground. Be sure to label clearly your graph.
What will be an ideal response?
Mathematics
Provide an appropriate response.Let f and g be defined by the following table: 
Find 
+ [g(-1)]2 - f(0) ÷ g(2) ? g(1)
A. 47
B. 7
C. 16
D. 
Mathematics
State the degree and leading coefficient of the polynomial function.f(x) = -13x4 - 6x3 - 7x2 + 9
A. Degree: -13; leading coefficient: -7 B. Degree: 4; leading coefficient: -13 C. Degree: 3; leading coefficient: -13 D. Degree: 10; leading coefficient: -13
Mathematics