Solve the problem.A tree 7 feet high grows at the rate of 2 feet each year. How many years will it take for the tree to grow to a height of 13 feet?
A. 8 years
B. 13 years
C. 3 years
D. 4 years
Answer: C
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Solve the problem.The area A = ?r2 of a circular oil spill changes with the radius. At what rate does the area change with respect to the radius when 
A. 16? ft2/ft B. 64? ft2/ft C. 8? ft2/ft D. 16 ft2/ft
Use synthetic division to find the quotient and the remainder. (x5 - 2x4 - 12x3 - 12x2 - 18x + 16) ÷ (x - 5)
A. Q(x) = x4 + 3x3 + 3x2 + 3x + 3 ; R(x) = 3 B. Q(x) = x3 + 3x2 + 3x + 3 ; R(x) = 1 C. Q(x) = x4 + 3x3 + 3x2 + 3x - 3 ; R(x) = 1 D. Q(x) = x4 + 3x3 + 3x2 + 3x + 1; R(x) = 0
Solve the problem.An object is thrown upward from the top of a 
building with an initial velocity of 48 feet per second. The height h of the object after t seconds is given by the quadratic equation 
When will the object hit the ground?
A. -2 sec B. 5 sec C. 2 sec D. 160 sec
If you add two to twice a number, the result is twelve. What is the number?
Fill in the blank(s) with the appropriate word(s).