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Mathematics > Standard Multiple Choice

Read the following SAT test question and then click on a button to select your answer. 

If the function f is defined by function f of x= (2 times x) + 3, and if function f of a = 11, what is the value of a?

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Right-o!

Explanation

If the function f is defined by function f of x= (2 times x) + 3, and function f of a = 11, then function f of a = (2 times a) + 3 = 11. Therefore, a = (11 minus 3) over 2 = 4.

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