Use distributive property to simply 0.75(3.5a-6b)

2 answers:

6 0

Mulitiply everything on the outside of the brackets to everything inside so:
0.75 • 3.5a = 2.625a
And
0.75 • 6b = 4.5b

2.625a - 4.5b would be your simplified answer

dmitriy555 [2]3 years ago

4 0

0.75 × 3.5a = 2.625a
0.75 × 6b = 4.5b
your answer is 2.625a - 4.5b

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Which value of x is in the domain of f(t) = squared x - 7

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Given:

The given function is:

$f(x)=\sqrt{x-7}$

To find:

The value of x that is in the domain.

Solution:

Domain is the set of input values.

We have,

$f(x)=\sqrt{x-7}$

We know that the square root is defined for non negative values. So,

$x-7\geq 0$

$x\geq 0+7$

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Thus, the domain of the given function is all real number that are greater than or equal to 7.

In the given options 0, -3, 6 are less than 7 but 8 in option A is the only value that is greater than 7. So, $x=8$ is in the domain of the given function.