3 years ago

Elena has 80 trading cards in her collection. If 15%

1 answer:

3 0

The answer for the first one is 12. 15% of 80 is 12. The second one I can’t answer because it is not very clear and is cut off

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Question 4 Given: f(x) = -3x – 3 and g(x) = x2 + 5 Find (f - g) ().

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We get $\mathbf{(f-g)(x)= -x^2-3x-8}$

Step-by-step explanation:

We are given:

$f(x) = -3x - 3\\ g(x) = x^2 + 5$

We need to find (f-g)(x) (assuming there is x in the bracket, i.e. (f - g) () should be (f-g)(x))

We would simply subtract f(x) and g(x)

$(f-g)(x)\\= -3x-3-(x^2+5)\\Multiply\:minus\:sign\:with\:terms\:inside\:the\:bracket\\=-3x-3-x^2-5\\Combining\:like\:terms:\\=-x^2-3x-3-5\\=-x^2-3x-8$

So, We get $\mathbf{(f-g)(x)= -x^2-3x-8}$

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Step-by-step explanation:

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