Select all of the situations that represent a linear relationship between x and y. the total cost, y, of a ski rental from a company that charges $15 plus an additional $8 per day
rented for x days
the total area, in square meters, y, of a square garden if the side length is x meters
ООО
the height, y, of a 6-foot tree that grows 0.2 feet per month for x months
the total miles, y, traveled by a car going 62 miles per hour in x hours

-13

step-by-step explanation:

f(x)=2x-5 for f(-4)

f(-4)   means let x=-4

f(-4) = 2(-4) -5

f(-4) =-8-5

      = -13

a

step-by-step explanation:

b

step-by-step explanation:

the equation of a line in point- slope form is

y - b = m(x - a)

where m is the slope and (a, b) a point on the line

calculate m using the slope formula

m = (y₂ - y₁ ) / (x₂ - x₁ )

with (x₁, y₁ ) = (0, 4) and (x₂, y₂ ) = (3, - 5) ← 2 points on the line

m = = = - 3

with m = - 3 and (a, b) = (3, - 5), then

y - (- 5) = - 3(x - 3), that is

y + 5 = - 3(x - 3) → b

3 3 6, because in every triangle the longer side is always shorter than the sum of the other two