Determine the number that should be added to complete the square of the expression. Then factor the expression.x2 + 16x
A. 8; (x + 8)2
B. 64; (x + 8)2
C. 64; (x - 8)2
D. -8; (x + 8)2
Answer: B
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Simplify using the quotient rule.
A.
B.
C.
D.
Perform the indicated operation and reduce the answer to lowest terms. -
+
A. -
B.
C.
D. -
Solve the problem.Assume that the half-life of Carbon-14 is 5700 years. Find the age (to the nearest year) of a wooden axe in which the amount of Carbon-14 is 30% of what it originally had.
Fill in the blank(s) with the appropriate word(s).
Find the inverse of the function, and state the domain and range of the inverse function.f(x) = 5 cos (2x) + 8 for 0 ? x ?
A. f-1(x) = cos-1
; domain = [3, 13]; range =
B. f-1(x) = cos-1
; domain = [-13, 13]; range =
C. f-1(x) = cos-1
; domain = [3, 13]; range =
D. f-1(x) = cos-1
; domain = [3, 13]; range =