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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
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Earn +20 ptsQ: What is X to the power of minus 2 when x equals 4?
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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
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