The graph of a piecewise-defined function is given. Write a definition for the function. 

A.

B.

C.

D.


Answer: D

Mathematics

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Find the slope of the polar curve at the indicated point.r = 4 cos ? - 5 sin ?, ? = 

A.
B.
C.
D.

Mathematics

Graph using a graphing calculator. +  = 1

A.

B.
 
C.

D.
 

Mathematics

Solve the problem.Anne and Nancy use a metal alloy that is 17.68% copper to make jewelry. How many ounces of a 10% alloy must be mixed with a 22% alloy to form 100 ounces of the desired alloy?

A. 38 ounces B. 64 ounces C. 69 ounces D. 36 ounces

Mathematics

Use the quadratic formula to solve the equation.5x2 + 12x = - 6

A.
B.
C.
D.

Mathematics