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

Two comma sentence. (What kind of music do you like, I prefer rap, reggae and classical?)

Which expression is equivalent to 3(m − 3) + 4? 3m + 1 3m − 5 3m + 13 3m − 3

Which of the following statements is a MAD goal? a. I want to play professional football for my favorite team after I finish college. b. I want to reach a skee

Delia measured her bathtub to be 2 meters long. What is an equivalent measurement?

After a military coup in Nigeria, economic problems continued because of _____________

Identify the sentence that is not in logical order. a. In these early days of surfing, participating in the sport could determine one's social class. b. The c

Solve 4(x + 1) = 4x + 4. Would it be No solution? Or all real numbers?

For what political and economic reasons did the Italians turn to Mussolini?

Simplify this expression: cos theta/ tan theta cot theta

Identify the complete adverb clause. If I were you, I'd take word processing this year.