If speakers are originally £40 and the discount is 10% what was the price paid

Show algebraically that f and g are inverse functions f(x)=x^2/-6; g(x)=square root of 2x+12

Sienna planned a trapezoid-shaped garden, as shown in the drawing below. she decides to change the length of the top of the trapezoid-shaped garden from 32 ft to 24 ft. which expression finds the change in the scale factor?

Which functions shave a maximum and are transformed to the left and down of the parent function ,check all that apply f(x) = x2? p(x) =14 (x+7)2 + 1