Question

When Janelle woke up, it was –3 degrees Fahrenheit outside. As the morning progressed, the temperature rose 2 degrees every hour. Which line on the graph could represent this scenario? a(x) f(x) g(x) h(x)

Answer 1

Answer:

The line graph is shown below.

Step-by-step explanation:

Note: The options are not given.

It is given that Janelle woke up, it was –3 degrees Fahrenheit outside. As the morning progressed, the temperature rose 2 degrees every hour. It means,

Initial temperature = -3

Rate of change = 2 degrees every hour

The slope intercept form of a line is

$y=mx+b$

where, m is slope and b is initial value or y-intercept.

Substitute m=2 and b=-3 in the above equation.

$y=2x+(-3)$

$y=2x-3$

The table of values is

x      y

0     -3

1       -1

2       1

Plot these points on a coordinate place and connect them by a straight line.

The line graph is shown below.

Answer 2

Answer:    

C

g(x)

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