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olasank [31]
3 years ago
14

Plss answer asap i will give brainliest

Mathematics
1 answer:
Elis [28]3 years ago
3 0

Part (a)

<h3>Answer:   -2</h3>

-----------

Explanation:

Draw a vertical line through -2 on the x axis. This vertical line will cross the blue parabola at some point P. From point P, draw a horizontal line to the y axis. You should arrive at y = -2. Figure 1, in the attached diagram below, shows this process.

================================================

Part (b)

<h3>Answers:    x = -3 or x = 1</h3>

-----------

Explanation:

Draw a horizontal line through y = 1 on the y axis. This is because y = f(x).

This horizontal line crosses the parabola at two places. Drop a vertical line straight down to the x axis to note the x values that make f(x) = 1 true.

You should find the solutions to be x = -3 and x = 1

See figure 2.

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