The range of the function f(x)=x+5 is {7,9}. what is the functions domain?
is it
{2,4}
{-2,-4}
{12,14}
{-12,14}
{0,5}

Asquare is dilated by a scale factor of 1.25 to create a new square. how does the area of the new square compare with the area of the original square? a)the area of the new square is 1.25 times the area of the original square. b)the area of the new square is 2.50 times the area of the original square. c)the area of the new square is 1.252 times the area of the original square. d)the area of the new square is 1.253 times the area of the original square.

In the given figure ar(adf) =ar(cda) and ar(cdf) = ar(cdf). show that abdc and cdfe are trapeziums.

If y varies directly as x2 and y=6 when x=6, find the constant of variation.