To find f(-7), just plug -7 in for all x
2(-7) + 8
-14 + 8
-6 is the answer!
3 hours and 10 minutes hope this helps :D
Answer: 
Step-by-step explanation:
You can reduce the fractions, then:



Rewrite them as following:

If you subtract the first number and the second number, you obtain:

If you subtract the second number and the second number, you obtain:

Therefore, you must subtract
and
to obtain the number asked. Then, this is:

Answer:
Mode :))))))))))))))))))))
Step-by-step explanation: