Answer:
B
Step-by-step explanation:
given
+ 8 = 13
Isolate by subtracting 8 from both sides
= 5 ( multiply both sides by 5 )
y = 25 → B
Last year, Shane grew 2/3 of an inch and his brother grew 1/3 of an inch. How much more did Shane grow than his brother?
1 answer:
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Answer:
Step-by-step explanation:
You would substitute "2x" for every "x" in the function in the same way you would substitute any other number.
So if f(x)=Sqrt[7x²-3x], then: f(2x)=Sqrt[7(2x)²-3(2x)]
=Sqrt[7(4x²)-3(2x)]
=Sqrt[28x²-6x]