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2x³ + x² - 7x - 6

To find the inverse of a function you follow 3 steps.Replace f (x) with x and any x variables with y Rearrange this equation into the form y = x variablesReplace the y with f ^-1 (x) and you have your ans...

In the general demand function Qd=a-bP, b is the slope. Therefore 30 is the slope of this demand function.When Qd=60 price is calculated by:60= 40-30P30P=420-6030P=360P=12

Read the question over ta few times.Underline key words and phrases in the questions Make a brief plan of your answer, ensuring that you cover every point asked in the question (refer back to the parts yo...

The past perfect is used to describe a past action that happened before another past action.It expresses the anteriority of a past action, compared to another past action expressed by the simple past, t...