Find All Real Values Of $x$ Such That $f ( x ) = 0$

question 33

Multiple Choice

Find all real values of $x$ such that $f ( x ) = 0$ .
$$f ( x ) = 49 x ^ { 2 } - 64$$

• A) \(\pm \frac { 7 } { 8 }\)
• B) \(\pm \frac { 8 } { 7 }\)
• C) \(\pm \frac { 64 } { 49 }\)
• D) \(- \frac { 64 } { 49 }\)
• E) \(\frac { 8 } { 7 }\)

---

Definitions:

Cohen's D

A measure of effect size indicating the standardized difference between two means.

Small Effect

A situation where the observed changes or differences due to manipulation or intervention are minimal.

Sustainable Growth Rate

The maximum rate at which a company can grow its revenues without needing to increase its financial leverage.

Shareholders' Equity

The residual interest in the assets of a corporation that remains after deducting its liabilities, representing the owners' claim on the business.