Perform the indicated operation.(5r4 + 2r2 - 3r ) - (-9r3 + 5r2 - 3r - 9)

A. 6r4 + 10r3 + 7r2 + 9
B. 14r7 + 7r3 
C. 5r4 - 9r3 + 7r2 - 9
D. 5r4 + 9r3 - 3r2 + 9


Answer: D

Mathematics

You might also like to view...

Solve the system using Gaussian elimination.     

A. {(0 + w, 2 - 2w, 2 + 2w, w )|w is any real number} B. {(0, 8, -12, -12)} C. {(-1, 4, -2, 4)} D. {(0, 2, 2, 2)}

Mathematics

Change the exponential expression to an equivalent expression involving a logarithm.53 = 125

A. log1255 = 3 B. log53 = 125 C. log5125 = 3 D. log3125 = 5

Mathematics

Solve the problem.The graph of y = f(x) in the accompanying figure is made of line segments joined end to end. Graph the derivative of f.  

A.

B.

C.

D.

Mathematics

Identify the digit with the given place value.26,239.5ones

A. 9 B. 5 C. 90 D. 0.9

Mathematics