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3 years ago

Given f(x)=3x+8 and g(x)=6x+6 then what is (f+g)(−1))?

1 answer:

5 0

f(x)=3x+8 and g(x)=6x+6

(f + g)(x) = f(x) + g(x)

= 3x+8 + (6x + 6) = 3x + 6x + 8 + 6 = 9x + 14

(f + g)(x) = 9x + 14

(f + g)(-1) = 9*-1 + 14 = -9 + 14 = 5

(f + g)(-1) = 5

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Nastasia [14]

Answer:

x = 2

Step-by-step explanation:

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3 years ago

In the supermarket a loaf of bread costs 37p how many loaves can david buy with a 2 coin ? How much money will be left over?

Rasek [7]

Answer: He can buy 5 loaves of bread.

After buying 5 loaves 15 p will be left.

Step-by-step explanation:

Given, In the supermarket a loaf of bread costs 37p .

To find: How many loaves can David buy with a $\pounds 2$ coin?

Since $\pounds 1=100\text{ pence}$

Then, $\pounds 2=200\text{ pence}$

Number of loaves he can buy = (Amount he has) ÷ (Cost of a loaf of bread)

= 200 p ÷ 37 p

$=5\dfrac{15}{37}$

i.e. he can buy 5 loaves of bread and 15 p will be left.

Hence, He can buy 5 loaves of bread.

After buying 5 loaves 15 p will be left.

6 0

3 years ago

The relative extrema of f(×)=x³-x+1

NISA [10]

The answer is in the picture
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2 years ago

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butalik [34]

Answer:

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Step-by-step explanation:

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marishachu [46]

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2 years ago

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