F(x)=8^x+7 what is f(3)
1 answer:
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Answer: y=6x+7
Step-by-step explanation:
To find the equation of the line, we want to find the slope with the formula .
Now that we know th eslope, we can start to fill out the equation. To find the y-intercept, we can plug in a given point and solve.
y=6x+b
1=6(-1)+b [multiply]
1=-6+b [add both sides by 6]
b=7
Now, we know the equation is y=6x+7.