marianarosales462 marianarosales462
  • 18-06-2020
  • History
contestada


The function f is defined by f(x)=2x² -1.
Find f(2x).

Respuesta :

Hrishii
Hrishii Hrishii
  • 18-06-2020

Answer:

[tex] 8x^{2} - 1[/tex]

Explanation:

[tex]f(x) = 2 {x}^{2} - 1 \\ plug \: x = 2x \\ f(2x) = 2 {(2x)}^{2} - 1 \\ f(2x) = 2 \times 4x^{2} - 1 \\ f(2x) = 8x^{2} - 1 \\ [/tex]

Answer Link

Otras preguntas

Given the information below, QRS is UVT similar to ? If so, give the scale factor. QR= 8 RS = 16 UV = 18 VT= 34 M
Factor out the coefficient of the variable. 1/3b-1/3
Ten of the 50 digital video recorders in an inventory are known to be defective. what is the probability you randomly select an item that is not defective?
Multiply (x – 4)(x2 + 5x + 6)
Which event in Macbeth illustrates the recurring motif of "Fair is foul, and foul is fair"? a. Macbeth kills the current king and is rewarded by being named ki
The set of laws that closed the Boston Harbor and prevented the local Massachusetts government from meeting was the __________.
Multiply (x – 4)(x2 + 5x + 6)
Who among the following was convicted and sentenced to death for leaking bomb-making secrets to the communists? Alger Hiss Richard Nixon Julius and Ethel Rosenb
The 1871 Civil Rights Act gave the US president the power to violate property rights. suspend habeas corpus. grant voting rights. serve for a second term.
California finally joined the Union following the death of which president? A. President Millard Filmore B. President Zachery Taylor C. Senator William Seward D