Ask a New Question

Question

The function f is defined by f(x)=2x^3-x^2+kx-6, where k is a constant. In the xy-plane, the graph of f intersects the x-axis at the three points (3,0), (-1/2,0), and (q,0). What is the value of k?
8 years ago

Answers

bobpursley
take the first equaitions.
0=2*27-9+3k-6
or
-3k=54-9-6
3k=-39
k=-13
8 years ago

Related Questions

The function g is defined by g(x)= (sec^29)x+ tan(x). What are all solutions to g(x)=1 on the interv... The function f is defined by f(x)= (sin^2)x+ cos(x)+ 1. The solutions to which of the following expr... The function f is defined by f(x)= (sin^2)x+ cos(x)+ 1. The solutions to which of the following expr... The function f is defined by f(x)= cosx(1+(tan^2)x). Which of the following expressions is equal to... The function f is defined by f(x)= sin(x+4π/3). What is the value of f(3π/4)? 14. A function f(x) is defined as f(x) = -8x7 ". What is f(-3) ? F. —72 72 H. J. К. 192 -57... A function f(x) is defined as f(x) = -8x7 ". What is f(-3) ? F. —72 72 H. J. К. 192 -576 I... The function g(x) is defined as shown. StartLayout enlarged left-brace 1st row 1st column 3x...
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use