Answer:
f(x)=5x^2-4x+5
Step-by-step explanation:
A quadratic function always has a squared symbol (represented by ^2). The first answer is a linear function, the second answer is a linear function (squaring 0 results in 0, therefore it is canceled out), the third answer has ^2 (this is correct), and the fourth answer has a ^3 (this is a cube function; not quadratic)
Step-by-step explanation:
u/7 - 1 < 1
u/7 < 1 + 1
u/7 < 2
u < 2 x 7
u < 14
There are 342 inches, 28.5 feet, and 9.5 yards
$108
270 × .40= 108
to find percentage, turn into a decimal and multiply
Answer:
4.50+1.25n=8
Step-by-step explanation:
subtract 4.50 from both sides of the equation which would leave 1.25n=10
then divide 1.25 from 1.25n and 10
n=8
I hope this helps you! i want brainliest sooo bad lol!