If F(x)= - $x ^ { 2 }$ + 2x - 1, Find

question 127

Multiple Choice

If f(x) = - $x ^ { 2 }$ + 2x - 1, find $\frac { f ( x + h ) - f ( x ) } { h }$ , h ? 0.

• A) -2x + 2
• B) -2xh - \(x ^ { 2 }\) + 2h
• C) \(\frac { \mathrm { h } ( - \mathrm { h } + 2 ) } { \mathrm { h } }\)
• D) \(\frac { h ( - 2 x - h ) } { h }\)
• E) -2x - h + 2

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Definitions:

Variable Costs

Costs that vary directly with the level of production or business activity, such as materials and labor.

Contribution Margin Ratio

The proportion of sales revenue that exceeds variable costs, representing the amount contributing to covering fixed costs and generating profit.

Operating Income

Earnings generated from a company's core business operations, excluding expenses and revenues that are not related to the primary activities.

Variable Costs

Variable costs are expenses that change in proportion to the activity of a business, such as sales volume or production levels.