denise719 denise719

14-06-2018
Mathematics

contestada

What is the value of f(x)= 9^x when x=-2?
A) 1/8
B) 81
C) 1/18
D) 18

Respuesta :

cathi32pac1ie cathi32pac1ie

14-06-2018

Substitute -2 in for x and get (9)^-2
Flip the equation so that the exponent is positive and get 1/9^2
Work it out 1/(9*9) = 1/81

Answer Link

Otras preguntas

Find the equivalent expression 5^6

Answer needed ASAP!!!!

a chef uses 4 3/4 cup of broth for 10 servings of soup how much broth is used in one serving of soup

Was abolition present in the colonies during the American Revolution? Why or why not?

The shadow cast by a house is 55 feet long. At the same time, a flagpole that is 15 feet tall casts a 25 foot long shadow. How tall is the house?

What is the difference in the area of a circle with diameter of 4 m and a circle with diameter 6

What impact did the Holocaust have on the newly formed United Nations?

Finley’s pumpkin had a mass of 6.5 kilograms before he carved it. After carving it the pumpkin had a mass of 3.9 kilograms. What was the percent decrease?

Why did japan not surrender after the first atomic bomb was released?

For your paragraph, focus on the impact isolationism had on China's economy. Is Isolationism a good thing or bad thing? Why? Think about the impact it had on Ch