BruvNoob BruvNoob

15-12-2021
Mathematics

contestada

Find k when f(x) = 3x2 + kx – 1 and
f(1) = 9

Please help will give brainliest!!

Find k when fx 3x2 kx 1 and f1 9 Please help will give brainliest class=

Respuesta :

jadehuynh030408 jadehuynh030408

15-12-2021

Answer:

k = 7

Step-by-step explanation:

Because f(1)=9

=> f(1) = (3 x 1^2) + (k x 1) - 1 = 3 + k - 1 = 9

=> k = 7

Answer Link

Otras preguntas

(20 points) which expression is equivalent to (3^5)^10 10(3)^5 3^15 10(3)^15 3^50

A nation that rules several other nations is called an ______

What 3 features do plant cells have that animal cells do not have?

The marson company took advantage of market conditions to refund debt. this was the fourth refunding operation carried out by marson within the last three years

Who was a little upset that the united states held most of the prisoners tried in the nuremberg trials?

(20 points) which expression is equivalent to (3^5)^10 10(3)^5 3^15 10(3)^15 3^50

Which of jefferson's new policies do you think was most important? why?

In a story, the character who is the main character's adversary is called the: A. protagonist. B. antagonist. C. flat character. D. round character.

What is the rate of change of the water level , in feet per hour

what does the octave do in a sonnet?A. the octave is the turning point where the song that transitions from a problem to its solution B. the octave propose the