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Marianna [84]
3 years ago
10

If C(x) = 4x^2 - 3, find the following (a) C(0) (b) C (-1) (c) C (-2) (d) C (-3/2)

Mathematics
1 answer:
NeTakaya3 years ago
3 0

Step-by-step explanation:

C(x)=4x^2-3\\\\C(0),\ C(-1),\ C(-2),\ C\left(-\dfrac{3}{2}\right)\\\\\text{Substitute each value}\ \left\{0, -1, -2, -\frac{3}{2}\right\}\ \text{instead}\ C(x):\\\\C(0)=4(0^2)-3=4(0)-3=0-3=-3\\\\C(-1)=4(-1)^2-3=4(1)-3=4-3=1\\\\C(-2)=4(-2)^2-3=4(4)-3=16-3=13\\\\C\left(-\dfrac{3}{2}\right)=4\left(-\dfrac{3}{2}\right)^2-3=4\left(\dfrac{9}{4}\right)-3=9-3=6

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Please help asap!!!!
Y_Kistochka [10]
The large rectangle is 3 times 6 but theres two so its 2 x 3 x 6

the medium rectangle is 2 times 6 but again there is two so  2 x 2 x 6

the small rectangle is 2 times 3 and once more there is two so 2 x 2 x 3

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Klio2033 [76]

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Answer:

  84 in

Step-by-step explanation:

The Pythagorean theorem is used to find the length 'b'.

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  b = √(37^2 -12^2) = √1225 = 35

Then the perimeter is the sum of side lengths:

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8 0
2 years ago
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3 years ago
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