Answer:
15
Step-by-step explanation:
Just substitute the x for 5
In this case:
Original function: f(x) =
- 2x
Substitute function: f(5) =
- 2(5)
Now solve for the substitute function
- 2(5)
25 - 10
15
Therefore, f(5) is equal to 15
The reciprocal is about 0.23
Answer:
120+(10+2x)=180
10+2x=60
2x=50
x=25degreeeee
Step-by-step explanation:
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Answer:

All real numbers less than 
Step-by-step explanation:
we have

Adds
both sides


Divide by
both sides

the solution is the interval ---------> (-∞,6)
All real numbers less than 
see the attached figure to better understand the problem