Solve the problem.The surface area of a balloon is given by S(r) = 4?r2, where r is the radius of the balloon. If the radius is increasing with time t, as the balloon is being blown up, according to the formula 
find the surface area S as a function of the time t.
A. S(r(t)) = 
?t6
B. S(r(t)) = 
?t9
C. S(r(t)) = 
?t6
D. S(r(t)) = 
?t3
Answer: C
Mathematics
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Decide whether or not the equation defines y as a function of x.x - y2 = -8
A. Yes B. No
Mathematics
Suppose 
. Find 
given that 
,
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, 
.
?
__________
Fill in the blank(s) with the appropriate word(s).
Mathematics
Provide an appropriate response.Give the first step in solving the given equation for x.xy = x(y + z)
What will be an ideal response?
Mathematics
Divide using synthetic division.(x5 - 2x4 + 3x3 + x2 - x + 13) ÷ (x + 1)
A. x4 - 3x3 + 6x2 - 5x + 4 + 
B. x4 - 3x3 + 6x2 - 6x - 5 + 
C. x4 - 3x3 + 6x2 - 5x - 4 + 
D. x4 - 3x3 + 6x2 - 6x + 4 + 
Mathematics