Solve the Inequality $3 x ^ { 2 } + 7 x < 20$

question 9

Multiple Choice

Solve the inequality. Write the solution set in interval notation.
- $3 x ^ { 2 } + 7 x < 20$

• A) \(\left( - 4 , \frac { 5 } { 3 } \right)\)
• B) \(( - \infty , - 4 ) \cup \left( \frac { 5 } { 3 } , \infty \right)\)
• C) \(\left( - \frac { 5 } { 3 } , 4 \right)\)
• D) \(\left( - \infty , - \frac { 5 } { 3 } \right) \cup ( 4 , \infty )\)

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Definitions:

Earnings Rate

The rate of return on an investment or project, often expressed as a percentage of the investment's cost.

Compound Interest

This refers to the calculation of interest on the beginning balance of a loan or deposit, adding in the interest that has built up over time from prior periods.

Present Value

The value as of now of a future amount of money or subsequent cash flows, based on a chosen return rate.

Compound Interest

Interest that is determined by taking into account not only the original principal of a deposit or loan but also all the interest that has been compounded in previous cycles.