Use a graphing calculator to find the sum.
Round your answer to three decimal places.
A. 2.250
B. 4.499
C. 0.750
D. 4.501
Answer: A
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Part of $2,200 is invested at 12%, another part at 13%, and the remainder at 14%. The total yearly income from the three investments is $295. The sum of the amounts invested at 12% and 13% equals the amount invested at 14%. Determine how much is invested at each rate.
A. $800 at 12%, $300 at 13%, $1,100 at 14% B. $200 at 12%, $900 at 13%, $1,100 at 14% C. $200 at 12%, $1,100 at 13%, $900 at 14% D. $100 at 12%, $1,000 at 13%, $1,100 at 14% E. $300 at 12%, $1,000 at 13%, $900 at 14%
Convert the decimal to a percent. 9.4
A. 0.94% B. 0.0094% C. 940% D. 94%
Find f-1(x) for the following one-to-one function f.f = {(2, 4), (5, 7), (3, 6), (8, 1)}
A. f-1 = {(-4, 2), (-7, 5), (-6, 3), (-1, 8)} B. f-1 = {(2, -4), (5, -7), (3, -6), (8, -1)} C. f-1 = {(-2, -4), (-5, -7), (-3, -6), (-8, -1)} D. f-1 = {(4, 2), (7, 5), (6, 3), (1, 8)}
Find the area of the geometric figure.
A. 26 sq in. B. 13 sq in. C. 84.5 sq in. D. 42.25 sq in.