Sketch the derivative of the graph.?

A.

B.

C.

D.


Answer: B

Mathematics

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Part of $9,000 is invested at 11%, another part at 13%, and the remainder at 15% yearly interest. The total yearly income from the three investments is $1,210. The sum of the amounts invested at 11% and 13% equals the amount invested at 15%. Determine how much is invested at each rate, if 2,500 is invested at first rate. 

A. $2,500 at 11%, $2,000 at 13%, and $4,500 at 15% B. $3,000 at 11%, $1,000 at 13%, and $4,000 at 15% C. $3,500 at 11%, $1,000 at 13%, and $4,500 at 15% D. $3,000 at 11%, $2,000 at 13%, and $4,000 at 15% E. $2,000 at 11%, $3,000 at 13%, and $3,500 at 15%

Mathematics

Find an equation of the line that passes through the point (3, -5) and has the slope m = 8.

What will be an ideal response?

Mathematics

Solve the problem.A ladder is resting against a wall. The top of the ladder touches the wall at a height of 12 ft. Find the length of the ladder if the length is 4 ft more than its distance from the wall.

A. 24 ft B. 16 ft C. 20 ft D. 12 ft

Mathematics

Write the rational expression in lowest terms.

A.
B. 2
C.
D. 1

Mathematics