Jill is 4 years younger than half Janet’s age. If Janet is y years old, which expression describes how old Jill is?
1 answer:
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Answer:
Step-by-step explanation:
-
=
When the denominator of both fractions are the same, you can just calculate the numerators while leaving the denominator alone. In this case, 4-1=3 and the denominator is 5.
Answer:
Step-by-step explanation:
The derivative of an addition/subtraction of terms is the addition/subtraction of the derivatives of these terms.
The derivative of a constant is 0.
The derivative of is
. The derivative of
is
, for example.
The derivative of the ln function:
If we have:
The derivative is
In this problem, we have that:
So and
So the derivative to this function is