You Are Given a Graph of a Function of the Form

question 44

Multiple Choice

You are given a graph of a function of the form $f ( x ) = a x ^ { 2 } + b x + c$ for different values of $a , b$ , and $c$ . For this function,
a. Determine whether the discriminant is positive, negative, or zero.
b. Determine if there are 0,1 , or 2 real solutions to $f ( x ) = 0$ .
c. Solve the equation $f ( x ) = 0$ .
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• A) a. negative b. 2 c. \(x = \langle a \rangle , x = 2\)
• B) a. positive b. 2 c. \(x = - 1 , x = - 2\)
• C) a.zero b. 2 c. \(x = - 1 , x = 2\)
• D) a. positive b. 2 C. \(x = - 1 , x = 2\)

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Definitions:

Cash

Cash refers to money in physical form, such as banknotes and coins, that is available for immediate use.

Effective Interest Rate

The true interest rate when compounding interest is taken into account, differing from nominal rate.

Contract Interest Rate

The rate of interest stipulated within a financial contract, often determining the amount of interest a borrower must pay on a loan.

Face Value

The nominal value or dollar value printed on a security, such as a bond or stock certificate, representing its value at issuance.