Perform the indicated operation. Assume that all variables represent positive numbers.

A. 3x
B. x
C. 3x10
D. 3x

Answer: D

Mathematics

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For the following equation, graph y = f1(x) and y = f2(x) on the same screen on your calculator. From the graphs, make a conjecture as to whether the equation is an identity. If so, prove your conjecture. = 

What will be an ideal response?

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Factor completely, or state that the trinomial is prime.x4 + 14x2 + 49

A. (x2 + 7)2 B. (x + 7)2 C. (x2 - 7)2 D. Prime

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Write the percent as a fraction or mixed number in simplest form.62%

A.  
B.  
C.
D.  

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Match the equation with the correct graph. -  = 1

A.

B.

C.

D.

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Mathematics