+ = positive
Positive and positive makes a positive

Negative and negative makes a positive

- = negative
Negative and positive makes a negative

Positive and negative makes a negative

Your answer: +5 - (-1) = 6
+6 - (-3) = +9
Your answer that youre looking for is: 9

4 0

3 years ago

Which represents a quadratic function? f(x) = −8x3 − 16x2 − 4x f (x) = x 2 + 2x − 5 f(x) = + 1 f(x) = 0x2 − 9x + 7

Katena32 [7]

$\text{A quadratic function:}\ f(x)=ax^2+bx+c\\\\\text{where}\ a\neq0$
$f(x)+-8x^3-16x^2-4x-NOT\\\\f(x)=x^2+2x-5-YES\\\\f(x)=?+1-NOT\\\\f(x)=0x^2-9x+7-NOT$

8 0

2 years ago

Read 2 more answers

Simplify the expression<br> 4 + 3(x + 2)

kap26 [50]

Answer: 3x+10

You welcome!

5 0

2 years ago