15×115-(-3)}(4-4)÷3{5+(-3)×(-6
1 answer:
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Answer:
Step-by-step explanation:
This is for the first question.
Slope-intercept is:
m - slope
b - y-intercept
We are given the slope of and a y-intercept of 2.
Plug in the values:
Hope this helps.
f-¹(x)=
Answer:
Solution given:
f(x)=
Let f(x)=y
y=
Interchanging role of x and y
x=
doing crisscrossed multiplication
x(y+7)=-2y+2
now solve it:
xy+7x=-2y+2
keep like terms in one side
xy+2y=2-7x
take common
y(x+2)=2-7x
make a value of y
y=
So,
f-¹(x)=