Given the equation y − 4 = three fourths(x + 8) in point-slope form, identify the equation of the same line in standard form.
1 answer:
Answer:
Step-by-step explanation:
The standard form of a linear equation is .
The given line has equation:
This is the point-slope form of the given line.
To find the standard form, we clear the fraction
We expand the parenthesis now to get:
We group the variables on the LHS and the constants on the RHS.
Multiply through by -1
This is of the form: .
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Answer:
a)
b) The inverse function is a reflection of the original function across the line
y = x. For example, if the function f applied to an input x gives a result of y, then applying its inverse function g to y gives the result x. So you would use it to find the x-value at a y just like you use the original to find the y value at an x.
Step-by-step explanation:
To do an inverse of a function you first switch the independent variable (d) and the dependent variable (c).
d = 0.45c + 5.50
Then you solve for c
d - 5.50 = 0.45 c
c = (d-5.50)/0.45