Which represents a quadratic function?

f (x) = - 8x3 - 16x2 - 4x

f (x) = three-quarters x 2 + 2x - 5

f (x) = StartFraction 4 Over x squared EndFraction minus StartFraction 2 Over x EndFraction + 1

f (x) = 0x2 - 9x + 7

Chris purchased two uniforms for his new job. He was given a $5 discount on the total purchase for being a new employee. If he spent $95, what was the original cost per uniform?

Explain why it is important to be able to perform matrix operations by hand when a calculator can do them for you.

Darius spends 35% of his time doing math homework Alex spent 2/5 of his time doing math homework who spends more homework time on math explain

There are 6 times as many dogs as cAts. if tje total number of dogs and cats is 21 how many dogs are tjrre

Identify the x - and y - intercepts of this equation. 5x - 4y = 20

How are models and number line alike

sheila went to court 12 times a month for the first year. for the next 10 years she went to court twice a month. for the last year she went to court three times a month. how many times didnshe go to court in all in the twelve years

A second number is 5 less than a first number. a third number is three times the first number. if the sum of the three numbers is 555, find the numbers. (a) 110 / 105 / 330 (b) 105 / 100 / 315 (c) 125 / 120 / 375 (d) 112 / 107 / 336

the combined enrollment in the three grades at Jefferson Middle School is 977. there are 356 students in the 7th grade 365 in the 8th grade write and solve an equation to find how many students are in the ninth grade find an equation and a solution

The sum of three numbers is 185 The second number is 5 times the first. The third number is 13 less than the second. What is the second number?