I may or may not be dumb in the brain... I'll give brainliest to whoever answers first and correctly.
2 answers:
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Consider the function This function has:
- the domain
- the range
If the domain of unknown function is then
or
This means that you have
as a part of needed function.
If the range of unknown function is then
This means that you have to translate function b units up and then the expression of the function is
Answer: correct choice is B.
Answer:
y = - x + 9
Step-by-step explanation:
the equation of a line in slope- intercept form is
y = mx + c ( m is the slope and c the y- intercept )
calculate m using the slope formula
m =
with (x₁, y₁ ) = (0, 9) and (x₂, y₂ ) = (9, 0) ← 2 points on the line
m = =
= - 1
the line crosses the y- axis at (0, 9 ) ⇒ c = 9
y = - x + 9 ← equation of line