Answer:
Step-by-step explanation:
<u>For old circular garden:</u>
take the radius as r.
then use the formula to find area of circle: πr² ......this is old garden area.
<u>For new enlarged garden:</u>
the radius is twice the old radius so, radius = 2 * r = 2r ......enlarged radius
now find area for this new garden: π(2r)² → 4πr²
In common fractions: (old garden)/(new garden)
: ( πr² ) / ( 4πr² )
: 1/4
Answer:
It is found when the line starts moving up or down.
Step-by-step explanation:
f(x) is read is function f of x.
Where x is the input variable and function f(x) gives output value of function for x input value.
For the given function, we have f(3).
If we compare f(3) by f(x), the x represented by input value 3.
Therefore, x value is 3 there.
And we also have f(x) =-5.
Because function value is -5. So we can read it as, "for x input value of the the function gives output value -5."
For the asked value of x is just x=3.
Answer:
x = y^2 + 4y + 3
Step-by-step explanation:
f(x) = ( x + 2 )^2 - 1
y = ( x + 2 ) ^ 2 - 1
y = ( x^2 + 4x + 4 ) - 1
y = x^2 + 4x + 4 - 1
y = x^2 + 4x + 3
x = y^2 + 4y + 3
(switch from y to x and x to y)
I hope that helps!