Hailey1313131313
24.06.2019 •
Mathematics
Evaluate the function : f(x)=2x-5 for f(-4)
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Ответ:
-13
Step-by-step explanation:
f(x)=2x-5 for f(-4)
Let x=-4
f(-4) = 2(-4) -5
= -8 -5
=-13
Ответ:
Step-by-step explanation:
Annie's mistake is in the second step.
He introduced "k7.5" & "-7.5k" which made him confuse and led him to delete "k", thereby omitting the variable being sort after