3 years ago

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

Mathematics

1 answer:

Lena [83]3 years ago

8 0

F(x) = 2x + 3
f(a) = 2a + 3
when f(a) = 11
11 = 2a + 3
therefore 2a = 8
and a = 4

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