A rectangular section of land has a length of 5 × 10⁴ meters and a width of 6 × 10³ meters. What is the area of the land in squa
re meters?
1 answer:
You might be interested in
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)=