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y-intercept is -4

Step-by-step explanation:

Since we are not told what to find, we can find the y intercept of the given graph.

The y-intercept is the point where the curve cuts the y-axis. According to the graph shown, we can see that the curve cuts the y axis at y = -4. Hence the y-intercept of the graph will be -4

step-by-step explanation:

let

we know that

the y-intercept is the y-coordinate of the point when the value of x is equal to zero

so

the y-coordinate of the point a is the y-intercept

the answer part a) is

the value of y-intercept is

part b) find the slope m

we know that

the value of the slope is equal to

substitute the values

therefore

the answer part b) is

the value of the slope is equal to

the general answer is

the slope is

the value of y-intercept is