If f(x) = 10x+3, what is the value of x when f(x) = 19?
Mathematics · High School · Tue Nov 03 2020
llm
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Given the function f(x) = 10x +3
Find the value of x when f(x) = 19
Equate the 19 in the function of f(x).
10x+ 3 = 19
10x = 19-3
10x = 16
Divide 10 in both sides in order to get the value of x.
x= 1.6
To check:
f(1.6) = 10(1.6) + 3
f(1.6) = 16 + 3
f(1.6) = 19