34) Apply the distributive property to simplify the expression. 5(3x − 7) A) 15x + 35 B) 15x − 35 C) −15x + 35 D) −15x − 35
2 answers:
Answer:
B.
Step-by-step explanation:
We are asked to simplify the expression using distributive property.
Distributive property states that we can multiply a quantity to sum by multiplying each addend separately and then add the products as:
Using distributive property, we will multiply 5 by and
as:
Therefore, the simplified form of the given expression would be and option B is the correct choice.
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Answer:
The function is defined when x > 0
Step-by-step explanation:
Functions with radicals are only undefined when the value in the radical is negative, because the root of a negative number is imaginary.
We know the function is undefined when the denominator is equal to zero. is equal to zero when x=0.
We also know that functions with radicals are undefined when the value in the radicals are negative, because the root of a negative number is imaginary. . will always be positive, but
is negative when x < 0.
So the function is undefined when x = 0, and when x < 0.
Therefore it is defined when x > 0