shadybison37003 shadybison37003
  • 23-04-2020
  • Mathematics
contestada

y = f(x) = 4^x
Find f(x) when x = -1.
Express as a decimal, rounding to the nearest
thousandth.

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 23-04-2020

Answer:

.25

Step-by-step explanation:

f(x) = 4^x

Let x = -1

f(-1) = 4^-1

The negative in the exponent moves the number from the numerator to the denominator

f(-1) = 1/4

  We want the number in decimal form

      1/4 *25/25 = 25/100 = .25

Answer Link
amna04352
amna04352 amna04352
  • 24-04-2020

Answer:

0.250

Step-by-step explanation:

f(x) = 4^x

x = -1

f(x) = 4^-1

= ¼

= 0.250

Answer Link

Otras preguntas

what is a strategy for 336 divided by 8
Describe conditions in Europe after world war 1
Help me, pls! Look at this picture!
The ratio of red tulips to all tulips in Briana's garden is 1 to 3. Is it reasonable to think that the total number of tulips in the garden is 40?explain.
When 12 is subtracted from 3 times the number the result is 24 what's the number
write the equation of the line, with the given properties,in slope intercept form.slope = - 3 through  (3,8)
how did the desert on both sides of the nile help ancient egyptians
90=20+70 use the distributive property and the GCF OF 20 and 70 to write another related expression for 90 could you write another expression with a different c
The heights of three flower pots are 45cm 30cm and 10cm. Write the ratio of their heights in ratio form
A helicopter rose vertically 300m and then flew west 400m. How far was the helicopter from it's starting point?