3 years ago

2. If f(x) = x - 7 and g(x) = 2x + 5, then what is f(x) * g(x)?

Mathematics

1 answer:

AysviL [449]3 years ago

7 0

Answer:

2x² - 9x - 35

Step-by-step explanation:

f(x) × g(x) = (x - 7)(2x + 5)

Each term in the second factor is multiplied by each term in the first factor, that is

x(2x + 5) - 7(2x + 5) ← distribute both parenthesis

= 2x² + 5x - 14x - 35 ← collect like terms

= 2x² - 9x - 35

You might be interested in

Please help what is the last one

Basile [38]

Y=3/4x+1/4 if you take a close look at where the line crosses over the y-axis.

3 0

3 years ago

I need help please and thank you

ss7ja [257]

Answer:

increasing

Step-by-step explanation:

This line is increasing

The slope is greater than 0 so the line is going up

8 0

3 years ago

Does anyone know any 7th grade math? cus i really need help with this.

sladkih [1.3K]

Answer:

Step-by-step explanation:

All we have to do is plug in the values! 1/2(4)(10+5) will give us the area. Now we simplify!

2(15) = A

30=A

Our answer is B!

8 0

3 years ago

a diver descended 84 feet in 6 minutes. What was the divers change in depth per minute? Write and expression with a solution

Ilia_Sergeevich [38]

Answer:

14 depth per minute

Step-by-step explanation:

84/6 = 14

5 0

3 years ago

Evaluate 2.5m - 3.6n when m = 2 and n=5

Anon25 [30]

Answer:

-13

Step-by-step explanation:

2.5 * 2 = 5.

3.6 * 5 = 18.

5 - 18 = -13

3 0

2 years ago