Use a Graphing Device to Draw the Graph of the Function

question 71

Multiple Choice

Use a graphing device to draw the graph of the function $f ( x ) = - 3 - 3 x ^ { 2 }$ . State approximately the interval(s) on which the function is increasing and on which the function is decreasing

• A) \(f\)
• Is increasing on \(( - \infty , 0 ]\)
• And decreasing on \([ 0 , \infty )\)
• B) \(f\)
• Is increasing on \(( - \infty , - 3 )\)
• And decreasing on \([ 3 , \infty )\)
• C) \(f\)
• Is increasing on \(( - \infty , \infty )\)
• D) \(f\)
• Is decreasing on \([ 0 , \infty )\)
• Only
• E) none of these

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Definitions:

Loanable Funds Curve

A graphical representation of the market for loanable funds, showing the relationship between the interest rate and the quantity of loanable funds supplied and demanded.

Real Interest Rate

The interest rate adjusted for inflation, showing the true cost of borrowing or the real yield on an investment.

Saving

The portion of income not spent on consumption or taxes and is typically set aside for future use or emergencies.

Protectionist Policies

Protectionist policies are governmental actions and policies that restrict or restrain international trade, often with the intent of protecting local businesses and jobs from foreign competition.