SHOW STEPS!!

4.
x + 4y -- 67 = -1
2x - y + 2z = -7
-x + 2y -- 43 = 5

the answer is the option b

the range is all real numbers

step-by-step explanation:

we know that

the absolute value parent function is equal to

see the attached figure to better understand the problem

so

a. it is v-shaped > is true

b. the range is all real numbers > is not true

because the range is the > [0,∞)

all real numbers greater than or equal to zero

c. it goes through the origin > is true

d. the domain is all real numbers > is true

step-by-step explanation:

6.5

step-by-step explanation:

you said it was in the question

~courtney

4a. is 3 miles every hour

4b. is 1/3 of an hour per mile

step-by-step explanation: