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

This isosceles triangle has two sides of equal length, a, that are longer than the length of the base, b. The perimeter of the triangle is 15.7 centimeters. Th

—¿Cómo estás, Carlos? —No _____ muy bien. A. estás B. estoy C. están D. estamos

I half 49 kromozone. Pls help with math?

f(t)=10t2+5t+1 . Find the value of t for which the tangent line to the graph of f(t) has slope 1.

What value do marketing channels bring to the customer?

How did lavoisier revolutionize the science of chemistry?

What is the sum of the geometric series in which a1 = 4, r = 3, and an = 324? Hint: cap s sub n equals start fraction a sub one left parenthesis one minus r to

If ab=37 and xy=1/37, what is the value of the product xxbxyxa

ymnast Clothing manufactures expensive soccer cleats for sale to college bookstores in runs of up to 500. Its cost (in dollars) for a run of x pairs of cleats i

How can moral values, like kindness, be distinguished from religious ones, like attending church?