Which polynomial is a quintic trinomial?
a. x² + 4

b. −x4−5x2+1

c. x3+2x2−8x+16

d. 3x5+7x2−9x4

Chose the graph below that represents the following system of inequality’s

Anyone know? will mark brainliest if correct

The table below shows the height of a ball  x  seconds after being kicked.  what values, rounded to the nearest whole number, complete the quadratic regression equation that models the data? f(x)  =  x2  +  x  +  0based on the regression equation and rounded to the nearest whole number, what is the estimated height after 0.25 seconds?   feet