Solve the problem.A balloon (in the shape of a sphere) is being inflated. The radius is increasing at a rate of 17 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: C
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Add.30 + 300 + 80
A. 310 B. 41 C. 113 D. 410
Solve the exponential equation. Use a calculator to obtain a decimal approximation, correct to two decimal places, for the solution.e4x = 6
A. 7.17 B. 0.45 C. 0.23 D. 4.08
Evaluate without using a calculator.
?
Fill in the blank(s) with the appropriate word(s).
Solve the problem.Allied Radio is a company which makes clock radios. The following table gives the profit, y, in dollars that this company made during the three stated years, x.
This set of data can be modeled by f(x) = ax2 + bx + c, where x represents the year. Find a linear system for which the solution represents the values of a, b, and c. Use technology to solve this system. Then, using the quadratic equation, predict the profit that Allied Radio made in the year 1992. Round your answer to the nearest hundred dollars.
A. $835,200 B. $834,800 C. $835,500 D. $835,900