Answer:
● (1, -2) sana maka tulong pang apat po yan sa baba
Step-by-step explanation:
<em>T</em><em>h</em><em>a</em><em>n</em><em>k</em><em>s</em><em> </em><em>y</em><em>o</em><em>u</em>

A linear function has 1 as the highest power of the variable.
A. f(x) = 2 - 7x
here, the highest power of the variable x is 1.
Hence it is a LINEAR function.
___________
B. f(x) = 2 + x + x^2
here, the highest power of the variable x is 2.
Hence it is NOT a linear function.
_______________

here, the highest power of the variable x is 1/2.
Hence it is NOT a linear function.
________________
Answer:
3
Step-by-step explanation:
the answer is 3 if you check very well
The first and last represent functions, no function has an input with two separate outputs
Either A - the value of r would increase or B- the value of r would not change.