Use a Graphing Calculator to Solve the Nonlinear System $$\begin{array} { l } y = \log ( x + 7 ) \\y = x ^ { 3 }\end{array}$$

question 406

Multiple Choice

Use a graphing calculator to solve the nonlinear system. Give x- and y-coordinates to the nearest hundredth.
- $$\begin{array} { l } y = \log ( x + 7 ) \\y = x ^ { 3 }\end{array}$$

• A) \(\{ ( - 1.83,1.64 ) , ( 1.68,2.16 ) \}\)
• B) \(\{ ( - 2.50,1.49 ) \}\)
• C) \(\{ ( 2.07,0.69 ) \}\)
• D) \(\{ ( 0.97,0.90 ) \}\)

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Definitions:

Perceptual Set

A habitual way of perceiving, based on expectations.

Expectancy Effect

The impact that a person's expectations can have on the outcome of a situation or experiment, often related to the placebo effect.

Misperception

An incorrect understanding or interpretation of information, events, or situations.

Rods

Visual receptors that respond to dim light.