Answer: yes is it a function
Step-by-step explanation:
A graph is a function when there is only one y value for each x value. You can also use the vertical line test. This example is a “quadratic function”.
Whats that kinda question
Answer:
20
Step-by-step explanation:
x/2+15=25
x/2=10
x=20
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Answer: 
<u>Step-by-step explanation:</u>

Restriction: 6x + 3 ≠ 0 <em>denominator cannot be zero</em>
<u> -3 </u> <u> -3 </u>
6x ≠ -3
<u> ÷6 </u> <u>÷6 </u>
x ≠ 
The formula of a slope:

We have the points (-4, -3) and (-3, s) and the slope m = 3. Substitute: