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3 years ago

Solve for x B 40° 3x+10 A С Type your answer...

Mathematics

1 answer:

MAVERICK [17]3 years ago

6 0

Answer:

xgsfhmmsthmhs

gutsmtumutsmutmuatmhtmahtht. wutmwtumutwmut

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If f(x) = x2 + 2x + 3, what is the average rate of change of f(x) over the interval [-4, 6]?

a_sh-v [17]

Calculating the value of f(x) for the given interval.

For x = - 4, f(x) = f(- 4) = (- 4)^2 + 2 (- 4) + 3 = 11

For x = 6, f(x) = f(6) = (6)^2 + 2 (6) + 3 = 51

Now using formula for the calculation of average rate of change of f(x) over the given interval of [- 4, 6];

(f(b) – f(a)) / b – a = (f(6) – f(- 4)) / 6 – (- 4) = (51 -11) / 10 = 4

<span>So option “E” is correct.</span>

7 0

3 years ago

Explain how to evaluate 34.

aleksandr82 [10.1K]

Answer:

${3}^{4} = 81$

Step-by-step explanation:

We want to evaluate

${3}^{4}$

We have a power to evaluate.

The base is 3

The exponent is 4.

What this means it's to multiply the base by itself four times

${3}^{4} = 3 \times 3 \times 3 \times 3$

${3}^{4} = 9 \times 9 = 81$

In general, if you have aⁿ , you multiply 'a' by itself n-times.

6 0

3 years ago

Read 2 more answers

How do u solve 90-2[60÷10]-4

Nikitich [7]

You follow bedmas (brackets, exponents,division,multiplication,addition,subtraction). First comes the brackets so you do (60 divided by 10) which is 6. You still have (6) which means you have to multiply it by 2. So you get 12. Now you got rid of the brackets so you can solve the rest. 90-12-4= 74.

8 0

3 years ago

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What is 637,390 times 3,185

Anvisha [2.4K]

Should be 2030087150 :)

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3 years ago

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At 9 AM there are 37 bacteria in a dish and they start doubling every 15 minutes. At t = 274 minutes an

givi [52]

Answer:

5,035,041

Step-by-step explanation:

Exponential growth:

$y = a(1 + r)^{x}$

y = future amount

a = initial amount

r = growth rate

x = number of periods

Part A: growth at the rate of doubling each 15 minutes for 274 minutes

Each period is 15 minutes.

a = 37

x = 274/15 = number of periods

r = 100%

$y = 37(1 + 1)^{\frac{274}{15}$

-------------------------------------------------------------------------------------

Exponential decay:

$y = a(1 - r)^{x}$

The growth takes place from 9 AM for 274 minutes, or 4 hours and 34 minutes, until 1:34 PM. The decay goes from 1:34 PM to 7 PM, or 5 hours and 26 minutes, or 326 minutes

Part B: decay at the rate of 6% each 24 minutes for 326 minutes

$y = 37(1 + 1)^{\frac{274}{15}}(1 - 0.06)^{\frac{326}{24}}$

$y = 5035041$

Answer: 5,035,041

8 0

3 years ago