Find the exact value of the expression using a sum, difference, or double-angle identity.

A.
B. -
C. - 
D.


Answer: C

Mathematics

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Express as a sum, difference, and product of logarithms, without using exponents.logb

A. logba - 
B. (logba5 + logb3)
C. logba + 
D. 5logba + 3

Mathematics

Find the measure of each marked angle.

A. 45° and 55° B. 60° and 120° C. 90° and 270° D. 45° and 135°

Mathematics

Solve the problem.How much money would you have to deposit at the end of each year into an annuity paying 5% interest compounded annually in order to have $39,600 at the end of thirty years?[(1.05)30 ? 4.3, (1.5)30 ? 191,751, (1.025)60 ? 4.4]

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

Mathematics

Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting.f(x) = (-x)2 

A.

B.

C.

D.

Mathematics