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)) = 
?t6
C. S(r(t)) = 
?t3
D. S(r(t)) = 
?t9
Answer: B
Mathematics
You might also like to view...
Provide an appropriate response.Solve the equation: 5(x - 3) = 2(3x + 1)
A. x = -17 B. x = -5 C. x = 1 D. x = -13
Mathematics
Simplify the expression. Write your answer without negative exponents. Whenever an exponent is negative or zero, assume that the base is not zero.(x-5)-3
A. 
B. -x8
C. 
D. x15
Mathematics
Add the numbers using the number line.-97 + 95 
A. -192 B. -2 C. 2 D. 192
Mathematics
Simplify. (Assume all variables are nonzero.)(-8)0
A. -8 B. -1 C. 0 D. 1
Mathematics