<h3>
Answer: D) The y intercept is (0,1)</h3>
This can be confirmed by plugging x = 0 into the function to find that...
y = (1/2)^x
y = (1/2)^0
y = 1
Recall that any nonzero value to the 0th power leads to 1. So we can say x^0 = 1 as long as x is not zero.
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Extra info (optional section):
- We can rule out choice A because negative x values work in the domain. For instance, if x = -1, then it leads to y = (1/2)^x = (1/2)^(-1) = 2. The negative exponent will apply the reciprocal operation to the base fraction.
- Choice B can also be ruled out because the range is y > 0. Or you could note that it is possible to get positive y values smaller than 1/2. Try x = 2 and you'll see it leads to y = 1/4 which is not greater than 1/2.
- Choice C is false as well. The function f(x) = (1/2)^x is decreasing throughout the domain. A graph visually would show this due to it going downhill when moving from left to right. A table of values is a non-visual way to see we have a decreasing function. The table would show that y decreases when x increases.
Answer:
2500+6% per year for 3 years would be 2950.
Answer:
no solution
Step-by-step explanation:
both sides = -2 when we substitute n for 2 so
therefore it doesn’t have solution or doesn’t satisfy the inequality
Cuz n should be > not equal
Answer:
mhm what is that
Step-by-step explanation:
An inequality that represents the following sentence: 45 more than a number is greater than 5 is
x-45>5
This is further explained below.
<h3>Write an inequality that represents the following sentence: 45 more than a number is greater than 5.?</h3>
Generally, An inequality is a relation in mathematics that makes a non-equal comparison between two numbers or other mathematical expressions. In other words, an inequality compares two numbers in a way that is not equal.
The most common use of this concept is to contrast the relative sizes of two integers using a number line.
In conclusion, An inequality that represents the following sentence: 45 more than a number is greater than 5 is
x-45>5
Read more about inequality
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