Question

The function f(x) = 2x2 + 3x + 5, when evaluated, gives a value of 19. What is the function’s input value?
A 1
B -1
C 2
D -2
E -3

Answer 1

2x^2+3x+5 ?

Answer 2

yes

Answer 3

it gives u the value which is 19 that should be y

Answer 4

or in this case f(x)

Answer 5

i dont understand this

Answer 6

can you help me

Answer 7

ok lets try the letter a or 1

Answer 8

we would plug in 1 into every x

Answer 9

ok

Answer 10

so 2x1+2x1 + 3x1 +5

Answer 11

should be less than 19

Answer 12

ok

Answer 13

so we would skip -1 because we already know 1 is too low to get y

Answer 14

right

Answer 15

-1 is b correct ?

Answer 16

so we would go to 2 and put 2 as every x

Answer 17

i got c is that what you got ?

Answer 18

if u have a kik my user name is insanegamer23

Answer 19

or skype its jacob(harrison124) with a nike back ground that says just do it