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Murrr4er [49]
3 years ago
12

99 POINTS AND IF CORRECT, WILL GIVE BRAINLYIST

Mathematics
2 answers:
Arisa [49]3 years ago
8 0

The functions are both increasing

the function for plan II has a greater unit rate

The function for plan I has a greater y intercept

Vlada [557]3 years ago
8 0

Answer: The functions are both increasing.

The function for plan II has a greater unit rate.

The function for plan I has a greater y-intercept.

Step-by-step explanation:

According to the given question we have two functions.

Function 1. y=12,000+400x

Function 2. y=11,000+420x

Both are written in intercept form of linear equation y=mx+c, where m is the slope of line or rate of change of y w.r.t. x.

Slope of function 1. = 400

i.e. Unit rate = $400 per month

Slope of function 2. = 420

i.e. Unit rate = $420 per month

⇒The function for plan II has a greater unit rate.

As both has positive slopes.

∴ Both functions are increasing functions.

For y intercept , put x=0 in the functions.

The y-intercept of function 1 = $12000

The y-intercept of function  2= $11000

⇒The function for plan I has a greater y-intercept.

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