The area of the triangle above will equal one half of a rectangle that is 5 units long and 3 units wide. The area of the triangle is 7.5 units and the area of the rectangle is 15 units
No it is not proportional. Since she brought the last apple for 1/2 the price, the equation won’t be linear (straight line) anymore so it won’t be proportional. Proportional means the same unit rate.
The x-intercepts are the values of x for which f(x) = 0. x^2 + 4 = 0 x^2 = -4 x= ±√(-4), which are not real numbers. f(x) does not have an x-intercept.