Express as a single logarithm, and, if possible, simplify.10loga 10 + 8loga  5

A. log1010 58 
B. log  
C. log (100 + 100)
D. log108 ? log58


Answer: A

Mathematics

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If you have the following function, f ( x ) = -7| x | + 8, compute f (1), f (-3), f (2), f (-4) 

A. f (1) = 1, f (-3) = -13, f (2) = –6, f (-4) = -20 B. f (1) = 2, f (-3) = -14, f (2) = –5, f (-4) = -21 C. f (1) = 2, f (-3) = -11, f (2) = –7, f (-4) = -18 D. f (1) = 4, f (-3) = -15, f (2) = –3, f (-4) = -22 E. f (1) = –1, f (-3) = 13, f (2) = 6, f (-4) = 20

Mathematics

Find the sum.Find the sum of the first 30 terms of the arithmetic sequence: -9, -19, -29, -39, . . .

A. -4770 B. -4620 C. -4612 D. -309

Mathematics

Provide an appropriate response.Use a calculator to find tan 1.4752. Round to four significant digits.

Fill in the blank(s) with the appropriate word(s).

Mathematics

Determine whether the function is one-to-one.f(x) = x3 - 7

A. One-to-one B. Not one-to-one

Mathematics