0
f(x)=x-2; What is f(4)?
Anything to a negative exponent is the same a 1 divided by that thing to the positive of that exponent. For instance:
2-3=1/(23)=1/8
So while 23=8, 2-3=1/8
This property works with functions as well. f(x)=x-2=1/x2
So, f(4)=(4)-2=1/42=1/16.
f(4)=1/16=0.0625
Still curious? Ask our experts.
Chat with our AI personalities
RafaThere's no fun in playing it safe. Why not try something a little unhinged?
Chat with Rafa
DevinI've poured enough drinks to know that people don't always want advice—they just want to talk.
Chat with Devin
ViviYour ride-or-die bestie who's seen you through every high and low.
Chat with ViviAdd your answer:
Earn +20 ptsQ: What is X to the power of minus 2 when x equals 4?
Write your answer...
Submit
Still have questions?
Continue Learning about Math & Arithmetic
What if 4 to the power minus zero equals?
It equals 1
What is negative 2 to the second power minus 5 to?
-1 -2 multiplied by another -2 equals 4 .4-5=-1
What is 8 divided by 4 minus 6?
The answer is -4.Since 8 divided by 4 is 2 and 2 minus 6 equals -4.
When X to the second power minus 16 equals 0?
'x' is +4 or -4 .
2 plus 4 minus 5 equals?
2 + 4 = 66 - 5 = 1.1
Trending Questions
How do you write one hundred seventy thousand in standard form?
How much is 0.01000 in words?
What is 0.6 multiplied by 0.06?
What is 0.75 percentage as a fraction?
What is 8.8 rounded to the nearest hundredth?
What is 11 meters long and 4 meters wide?
What shape has two parallel lines and no congruent lines and one right angle?
How to write 1970000 in words?
How do you multiple times a day?
What is 40 over 70 in lowest terms?
How many inches is 18 and a half feet?
What is the complex solution of x cubed equals - 1?
What number goes into 103?
What is the 23 times tables?
What is 19.6 plus 22.8 х 4.4 - 2.9?
How much money did Alessandro volta make?
How do you make a decimal into a negative exponent?
Which is the best estimate of 26 percent of 19?
What would happen if a four digit number was allowed to be entered incorrectly?
How do you find the diameter of a cone?
Copyright ©2025 Infospace Holdings LLC, A System1 Company. All Rights Reserved. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Answers.