Find the LCD for the fractions in the list.

A. r(r + 1)(r + 3)
B. (r + 3)2
C. r(r + 3)2
D. r(r + 3)


Answer: C

Mathematics

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Identify the function's extreme values in the given domain, and say where they are assumed. Tell which of the extreme values, if any, are absolute.g(t) =  - t2 + 8t, 0 ? t < ?

A. local and absolute minimum: -  at x = 8; local maximum:  at x =1
B. local minimum:  at x =1; local and absolute maximum: -  at x = 8
C. local minimum:  at x =1; local maximum: 0 at x = 0; absolute maximum: -  at x = 8
D. local minimum: 0 at x = 0; local and absolute minimum: -  at x = 8; local maximum:  at x =1

Mathematics

Perform the indicated division and find a simplified expression.If a submarine goes 2k3 + 13k2 + 10k - 25 miles in 2k + 5 hours, what is its rate of speed?

A. k2 + 4k - 5 miles/hr B. k2 + 9k - 5 miles/hr C. k2 - 4k + 5 miles/hr D. k3 + 4k2 - 5k miles/hr

Mathematics

Solve the problem.Marianne covered  -inch thick plasterboard with birch paneling that was  -inch thick. What was the thickness of the completed wall?

A.  inch
B.  inch
C.  inch
D.  inch

Mathematics

Write a word name for the decimal.558.06

A. Five hundred and fifty-eight and six hundredths B. Five hundred fifty-eight and six hundredths C. Five hundred and fifty-eight and six tenths D. Five hundred fifty-eight and six thousandths

Mathematics