Dada a função f : R → R por f(x) = x² + 2x, determine o valor de f(2) +

f(3) – f(1).​

What is the value of the expression 9+n/3-6 when n = 12? 1. 5. 7. 12.

For problems 29 - 31 the graph of a quadratic function y=ax^2 + bx + c is shown. tell whether the discriminant of ax^2 + bx + c = 0 is positive, negative, or zero.

Item 1 solve for s. s+24=90 −114 −66 66 114