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Irina-Kira [14]
3 years ago
12

You are given the function C(x)=−4x2+4x+3 Find C(−1). Provide your answer below: C(−1)=

Mathematics
2 answers:
Varvara68 [4.7K]3 years ago
7 0

Answer:

C(-1)= -5

Step-by-step explanation:

This question asks us to find C(-1). We know what C(x) is, it is:

C(x)=-4x^{2} +4x+3

Therefore, we must substitute -1 in for every x to find C(-1).

C(-1)=-4(-1)^{2} +4(-1)+3

Now, solve according to PEMDAS: Parentheses, Exponents, Multiplication, Division, Addition, Subtraction.

First, evaluate the exponent.

-1^2=-1*-1=1

C(-1)=-4(1) +4(-1)+3

Next, multiply -4 and 1.

C(-1)=-4+4(-1)+3

Multiply 4 and -1 again.

C(-1)=-4+ -4 + 3

Add the numbers together.

C(-1)=-8+3

C(-1)=-5

Sedaia [141]3 years ago
3 0

Hey there! :)

Answer:

C(-1) = -5.

Step-by-step explanation:

C(x) = -4x² + 4x + 3

Plug in -1 for x to solve for C(-1):

C(-1) = -4(-1)² + 4(-1) + 3

Simplify:

C(-1) = -4 + (-4) + 3

C(-1) = -5

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