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tia_tia [17]
2 years ago
10

1) f(x)=2x+5 What is -2 [f(x)]-1?

Mathematics
1 answer:
kobusy [5.1K]2 years ago
7 0

Answer:

-4x - 11

Step-by-step explanation:

-2[f(x)] - 1

= -2[2x + 5] - 1

= -4x - 10 - 1

= -4x - 11

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Six cakes cost $2.40 so how much do 10 cakes cost?
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3 years ago
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The number of electrical outages in a city varies from day to day. Assume that the number of electrical outages ( x ) in the cit
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Answer:

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Step-by-step explanation:

Given :

x :___0 ___ 1 ____ 2 ____ 3

f(x):_0.80 _0.15__0.04 __0.01

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E(X) = Σ(x * p(x))

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E(X) = 0.26

Var(X) = Σx²*p(x)) - E(x)²

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Σx²*p(x)) - E(x)² = 0.4 - 0.26² = 0.3324

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3 years ago
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Answer:

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Step-by-step explanation:

factor a2-5a-6

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