2 years ago

Give the function f(x) =2x^2+4x-7 find f(-4)? A -55 B -7 C 9 D 25

Mathematics

1 answer:

erma4kov [3.2K]2 years ago

4 0

Answer:

Step-by-step explanation:

To evaluate f??(- 4) substitute x = - 4 into f(x), that is

f(- 4) = 2(- 4)² + 4(- 4) - 7 = (2 × 16) - 16 - 7 = 32 - 23 = 9 → C

You might be interested in

A snail travels at a rate of 2.36 feet per minute. a. Write a rule to describe the function. b. How far will the snail travel in

Andreyy89

Y = 2.36x....where y is the distance traveled and x is the number of minutes

how far will the snail travel in 6 minutes...so sub in 6 for x
y = 2.36(6)
y = 14.16 ft <==

6 0

2 years ago

PLEASE HELP If a bottle of medicine contains 10 grams of liquid, how many 1/5 gram doses are in the bottle?

Nimfa-mama [501]

Answer:

A. 50 doses

Step-by-step explanation:

Take your total and divide by the about needed per dose.

8 0

2 years ago

The last question for my test help

alisha [4.7K]

3 2/6

5/6*4=20/6

20/6= 3 2/6 OR 3 1/3

8 0

2 years ago

Which graph shows a proportional relationship between x and y?

sp2606 [1]

Answer:

B i think i need see a image tho

Step-by-step explanation:

4 0

2 years ago

Read 2 more answers

If p is false, q is true, and r is true, why is the value of (p v ~q) v r

pychu [463]

$q=T\implies \neg q=F$

$p=F\,\land\,\neg q=F\implies p\,\lor\,\neg q=F$

$r=T\implies (p\,\lor\,\neg q)\,\lor\,r=T$

3 0

2 years ago