The slope of a line is given by the equation
y2 is -4. y1 is 5
x2 is 4. x1 is 1
-4 -5 / 4-1 = -9/3 = -3
The slope is -3. Now we need to find the y-intercept
y= mx +b
5= -3(1) +b
5= -3 +b
b= 8
Our equation for the line: y= -3x +8
Problem 3
This is not an exponential function. If you were to graph this out, you would see a parabola forming. Or at the very least, a parabolic-like curve forms. An exponential curve only increases or only decreases for the entire domain. However, in this case, we have an increasing portion, and then it decreases.
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Problem 4
This is an exponential function. Each time x increases by 1, y is multiplied by 4. The equation that models these points is y = 4^x. Note how the function is strictly increasing and there are no decreasing portions mixed in.
Answer:
It is not a function
Step-by-step explanation:
The x values repeats (-3)
-3/5+5/6=d
-18/30+25/30=d
7/30=d
Answer:
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Step-by-step explanation: