Please help on this!
1 answer:
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check the picture below.
Answer:
Step-by-step explanation:
In the expressions, the value at which the domain of the function will be the set of all real numbers except x=4.1 is the value at which 4.1 makes the denominator equal to zero, i.e makes the fraction undefined.
Given the options
Setting the denominator to zero, x-4.1=0, x=4.1. The fraction is undefined at x=4.1
Setting the denominator to zero, x+4.1=0, x=-4.1. The fraction is undefined at x=-4.1
Setting the denominator to zero, x-2.8=0, x=2.8. The fraction is undefined at x=2.8
Setting the denominator to zero, x-2.5=0, x=2.5. The fraction is undefined at x=2.5
Therefore, function that has a domain of all real numbers except x=4.1 is:
Answer: She is not correct, because she must multiply the base and the height of the triangle and then divide by 2.
Step-by-step explanation:
1. The formula for calculate the area of a triangle is shown below:
Where is the base and
is the height.
2. Then, if she applied the method she reasoned, she'd obtain the following area:
3. But actually, Magda should multiply the base and the height of the triangle and then divide by 2. Then, the correct area is: