Solve the problem. Write the answer in lowest terms.Mr. Howard installed  -inch roofing shingles on top of a  thick tar paper. What was the combined thickness of the two layers of materials?

A.  inch
B.  inch
C.  inch
D.  inch


Answer: D

Mathematics

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Determine whether the graph is the graph of a function.

A. Not a function B. Function

Mathematics

Convert the improper fraction into a mixed number in lowest terms.

A. 2
B. 3
C. 1
D. 2

Mathematics

Use the table to determine if f is one-to-one. If so, use the table for f(x) to find a table for f-1(x).

A.
B.
C.
D. Not a one-to-one function

Mathematics

Determine the function value.Suppose f(x) = logax and f(7) = 2. Find f(49).

A. 8 B. 2 C. -4 D. 4

Mathematics