If Y Varies Directly as X, Find a Linear Function $f ( x ) = \frac { 8 } { 3 } x$

question 210

Multiple Choice

If y varies directly as x, find a linear function which relates them.
-y = 24 when x = 9

• A) \(f ( x ) = \frac { 8 } { 3 } x\)
• B) \(f ( x ) = 3 x\)
• C) \(f ( x ) = x + 15\)
• D) \(f ( x ) = \frac { 3 } { 8 } x\)

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Definitions:

Call Option

A financial agreement allowing the purchaser the option, rather than the requirement, to purchase a given stock, bond, commodity, or different asset at an agreed-upon price within a certain timeframe.

Value Increase

Refers to the rise in worth or price of assets, investments, or goods over time.

Black-Scholes

A mathematical model of a financial market containing derivative investment instruments, primarily used for pricing European call and put options.

European Options

Financial derivatives that give the holder the right, but not the obligation, to buy or sell an asset at a specified price on a specified expiration date, unlike American options, which can be exercised at any time before expiry.