Answer:

Step-by-step explanation:
Answer:
B. -7 and 17
Explanation:
Plug in the given number for x.
f(3)=4(3)+5
=12+5
=17
f(-3)=4(-3)+5
=-12+5
= -7
It’s slightly closing in so it would be 85 as in the answer b)
1, 2, 4, 7, 8, 14, 28, and 56
Answer:
Yes
Step-by-step explanation:
The definition of a rational number is a number that can be represented as a fraction. Since 56/7 is a fraction it must be a rational number. An irrational number is a number that cannot be represented as a fraction because it never ends and repeats without a pattern forever. An example of this is pi because pi can never exactly be represented as a fraction.