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Natalka [10]
3 years ago
5

Given f(x) = 4x4 + 5x3 – 15x2 – 45, find f(–3).

Mathematics
2 answers:
poizon [28]3 years ago
6 0

Answer:

C)  

f(–3) = 9

Step-by-step explanation:

Given f(x) = 4x^4 + 5x^3 – 15x^2 – 45

f(-3) means let x = -3

f(-3) = 4(-3)^4 +5(-3)^3 – 15(-3)^2 – 45

       =4(81) +5(-27) -15(9) -45

        = 324 - 135 - 135 -45

           =9

mars1129 [50]3 years ago
5 0

Answer:

The answer is C.

Step-by-step explanation:

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