11. Which of the following polynomial functions have a graph facing upward? A y=-**+ 2x - x + 1
cy= x - x + x + 1
B. y = 5+ 6x + x2 + x
D. f(x) = 3x2 + x4 - 2x +3

(Explain please)

Find the area of a trapezoid with bases 14 cm and 18 cm and height 10 cm. 160 cm2 140 cm2 180 cm2 126 cm2

16 more than the product of 5 and p

Nick has box brads. he uses 4 brads for the first project. nick let’s b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.