Find the vertex.f(x) = 7x2 - 14x + 14
A. (1, 0)
B. (7, 0)
C. (7, 1)
D. (1, 7)
Answer: D
Mathematics
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Solve the variation problem.The amount of water used to take a shower is directly proportional to the amount of time that the shower is in use. A shower lasting 21 minutes requires 16.8 gallons of water. Find the amount of water used in a shower lasting 7 minutes.
A. 6.4 gallons B. 147 gallons C. 5.6 gallons D. 4.8 gallons
Mathematics
Find the effective rate of interest.4
% compounded quarterly
Fill in the blank(s) with the appropriate word(s).
Mathematics
Simplify the expression.
2 - 
A. 
B. - 
C. 1
D. -1
Mathematics
Solve the problem.One number is five times larger than another. The difference of the numbers is 48. Find the numbers.
A. 57 and 9 B. 12 and 60 C. 10 and 50 D. 10 and 62
Mathematics