Question

5. Evaluate the function f (x)  4 • 7x for x  1 and x = 2. Show your work.

Answer 1

f(x) = 4 * 7x

f(x) = 4 * 7(-1)

Simplify that, and simplify:

f(x) = 4 * (2)

Answer 2

^^^^

Answer 3

i still dont understand

Answer 4

4x7=-28
4x2=8

Answer 5

what are the boxes?

Answer 6

evaluate the function f(x)=4x7^x for x=-1 and x=2. show your work
@angiemarieeee

Answer 7

x=2 would 196 i think..

Answer 8

that is if you meant to put 7^x if it is just 7x then it would be 56

Answer 9

@perl

Answer 10

it is 7^x

Answer 11

i have to solve it

Answer 12

like evaluate the different quotient?

Answer 13

i still dont know cause i have been in school since 2000
When I was in school I didnt understand it

Answer 14

how though

Answer 15

okay what do u need help with

Answer 16

0
evaluate the function f(x)=4x7^x for x=-1 and x=2. show your work

Answer 17

is it not
\[4*7^x\]

Answer 18

\[f(x)=4*7^x\]
when x is substituted with 2 you get
\[f(2)=4*7^2=4*49=196\]

Answer 19

\[f(-1)=4*7^{-1}=4*1/7=4/7\]

Answer 20

when you have a negative exponent its the same as 1/that number to a positive exponent

Answer 21

for example

Answer 22

\[7^{-1} = \frac{1}{7^1}\]
\[7^{-2} = \frac{1}{7^2}\]
\[7^{-x} = \frac{1}{7^x}\]

Answer 23

so is that the answers or an example

Answer 24

@dan815 i still dont get it