Simplify. Assume that no denominator is zero and that 00 is not considered.(2x3)(5x4)
A. 7x7
B. 10x12
C. 10x7
D. 7x12
Answer: C
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Solve the problem. Round your answer, if appropriate.The volume of a sphere is increasing at a rate of 6 cm3/sec. Find the rate of change of its surface area when its volume is 
cm3. (Do not round your answer.)
A. 
cm2/sec
B. 12? cm2/sec
C. 3 cm2/sec
D. 2 cm2/sec
Use the quadratic function to determine if the function has a maximum or minimum value and then find this maximum or minimum value.f(x) = 4x2 - 8x
A. minimum at 
B. maximum at 
C. maximum at 
D. minimum; (ii) 
List the intercepts for the graph of the equation.y = 
A. (-5, 0), (5, 0) B. (0, 0) C. (0, -5), (0, 5) D. (-25, 0), (0, 0), (25, 0)
Solve the problem.There are currently 69 million cars in a certain country, increasing exponentially by 2.7% annually. How many years will it take for this country to have 83 million cars? Round to the nearest year.
A. 7 yr B. 98 yr C. 5 yr D. 4 yr