Solve the problem.A balloon (in the shape of a sphere) is being inflated. The radius is increasing at a rate of 16 cm per second. Find a function, r(t), for the radius in terms of t. Find a function, V(r), for the volume of the balloon in terms of r. Find (V ? r)(t).
A. (V ? r)(t) = 
B. (V ? r)(t) = 
C. (V ? r)(t) = 
D. (V ? r)(t) = 
Answer: A
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Graph the equation in the rectangular coordinate system.3x - 5 = -11
A. 
B. 
C. 
D. 
Express as a single logarithm and, if possible, simplify.
[ln (y2 - 4) - ln(y + 2)] + ln (y + y)
A. ln (y - 2)2/3(y - y) B. ln (y - 2)(y - y) C. ln (y - 2)2/3(y + y) D. ln (y + 2)2/3(y + y)
Provide an appropriate response.Provide a short sentence that summarizes the general limit principle given by the formal notation 
given that 
and 
A. The sum or the difference of two functions is continuous. B. The limit of a sum or a difference is the sum or the difference of the limits. C. The sum or the difference of two functions is the sum of two limits. D. The limit of a sum or a difference is the sum or the difference of the functions.
Solve the problem.A salesman earns a straight commission of 22%. One week he had sales of $1800. Find his gross pay for the week.
A. $396.00 B. $39.60 C. $39,600.00 D. $3960.00