Provide an appropriate response.If z = (2x + 3y)3 and x = r2 - 2s and y = 2s - r, then  when r = 2 and s = 1 is

A. 84.
B. 104.
C. 92.
D. 88.
E. 96.


Answer: E

Mathematics

You might also like to view...

Solve the triangle.a = 9, b = 6, c = 4

A. A = 32.1°, B = 20.7°, C = 127.2° B. A = 127.2°, B = 32.1°, C = 20.7° C. A = 127.2°, B = 20.7°, C = 32.1° D. A = 32.1°, B = 127.2°, C = 20.7°

Mathematics

Find f-1(x) for the following one-to-one function f.f = {(20, 9), (12, 4), (-15, 20)}

A. f-1 = {(20, 9), (12, 4), (20, -15)} B. f-1 = {(9, 20), (-15, 12), (20, 4)} C. f-1 = {(20, 4), (20, 12), (20, -15)} D. f-1 = {(9, 20), (4, 12), (20, -15)}

Mathematics

Find the indicated term of the geometric sequence.6th term of 0.6, 0.06, 0.006, . . .

A. 0.0000006 B. 0.000006 C. 0.00006 D. 0.00000006

Mathematics

Solve the problem.Michael's bank contains only nickels, dimes, and quarters. There are 65 coins in all, valued at $5.35. The number of nickels is 7 short of being three times the sum of the number of dimes and quarters together. How many dimes are in the bank?

A. 15 B. 47 C. 8 D. 10

Mathematics