If 139 is added to a number, the result is 44 less than four times the number. Find the number. Step 1 of 2: Use the variable x
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In your situation you said that
Putting those together, you'd have because
.
To evaluate the difference quotient, first find each piece on it's own:
because
no matter what your x-value is.
So putting those together:
Remember that the difference quotient is basically finding the slope of something. Since you were given that the slope is 0, the difference quotient should work out to match that.