Add the proper constant to each binomial so that the resulting trinomial is a perfect square trinomial. Then factor the trinomial.x2 + 18x + _______
A. x2 + 18x + 18 = (x + 324)2
B. x2 + 18x + 9 = (x + 81)2
C. x2 + 18x + 324 = (x + 18)2
D. x2 + 18x + 81 = (x + 9)2
Answer: D
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Which of the following is the simplified answer for the following expression, and which is a real life example?
?
?
A. ?answer: 316,800 ft.; converting miles to feet. B. ?answer: 316,800 in.; converting miles to inches. C. ?answer: 316,800; converting miles to feet. D. ?answer: 316,800 miles; converting inches to miles. E. ?answer: 316,800 in.; converting miles to inches.
Graph the function.y = 
A. 
B. 
C. 
D. 
Find the extreme values of the function subject to the given constraint.
A. Maximum: none; minimum: 
at 
B. Maximum: none; minimum: 
at 
C. Maximum: none; minimum: 
at 
D. Maximum: none; minimum: 
at 
Solve the problem.If f(t) = 7
- 7
, find any t for which f(t) = -21.
A. 4 B. -13 C. 13 D. 21