Answer:
The value of 4 is an input of the function
Step-by-step explanation:
Let
x -----> the independent variable or input value
y ----> the dependent variable or output value
we know that
Looking at the graph
The domain (input values) of the linear function is equal to the interval
[1,∞)

All real numbers greater than or equal to 1
The range (output values) of the linear function is equal to the interval
(-∞,3]

All real numbers less than or equal to 3
therefore
The value of 4 is an input of the function
7 + 2x = 51
hope this helps
Answer:
Pretty sure neither of them work. So prolly the last one. Hope I’m right :)
Answer:
See explanation
Step-by-step explanation:

Answer:
okay so each cookie costs 1.15 and the equation is (2.80 divided by 7) + 0.75 = c
Step-by-step explanation:
Hope that helps:)