Math

QuestionFind d(5.5)d(5.5) for the function d(x)=2x23.6d(x)=-2\left|x^{2}-3.6\right|.

Studdy Solution

STEP 1

Assumptions1. The function is given as d(x)=x3.6d(x)=-\left|x^{}-3.6\right| We are asked to find the value of the function at x=5.5x=5.5

STEP 2

First, we need to substitute the given value of xx into the function.d(5.5)=2(5.5)2.6d(5.5) = -2\left|(5.5)^{2}-.6\right|

STEP 3

Calculate the value inside the absolute value function.
(5.5)23.6=30.253.6(5.5)^{2}-3.6 =30.25 -3.6

STEP 4

Subtract to find the result.
30.253.6=26.6530.25 -3.6 =26.65

STEP 5

Now, we need to take the absolute value of this result.
26.65=26.65\left|26.65\right| =26.65

STEP 6

Finally, multiply this result by -2 to find the value of the function at x=5.5x=5.5.
d(5.5)=2×26.65d(5.5) = -2 \times26.65

STEP 7

Calculate the final result.
d(5.5)=2×26.65=53.3d(5.5) = -2 \times26.65 = -53.3So, the value of the function d(x)d(x) at x=5.5x=5.5 is 53.3-53.3.

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