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3 years ago

PLEASE HELP Given the function f(x) = 3x2 – 4

Mathematics

1 answer:

Zarrin [17]3 years ago

7 0

Answer:

Step-by-step explanation:

Rate of change is the slope of the tangent which will be the derivative of the function

if f(x) = 3x² - 4

f'(x) = 6x

as the derivative is linear, the average rate of change will occur at the midpoint of the interval

f'(2.5) = 6(2.5) = 15

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Need help with this geometric question

Svet_ta [14]

Answer: A

Step-by-step explanation:

$V=\frac{1}{2}(6)(4)(2)=\boxed{24}$

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2 years ago

Help me please. im failing

Inessa05 [86]

Answer:

Area = 31.5 units^2

Step-by-step explanation:

7 x 3 = 21

Area of triangle is (height x base) / 2

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21 + 10.5 = 31.5

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3 years ago

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A triangle has an area of 357 square inches. The height of the triangle is 23.8 inches. What is the length of the base of the tr

Nitella [24]

You lay out the triangle formula for area which would be A=(1/2)(b)(h)
plug in for variables
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3 years ago

Repost of my question i need help quicklyy help plzz

GuDViN [60]

Answer:

According to logarithmic properties.... The right hand side can be written as

log base 7 (180/3).....which is log base 7 60

So according to the question cancel out the log base 7 from both sides....

Then we get 8r + 20 = 60

That is 8r = 40..

That is r = 5......

Therefore the value of r is 5

8 0

2 years ago

The population of a town after t years is represented by the function f(t)=7,248(0.983)tf(t)=7,248(0.983)t.

lidiya [134]

Answer:

The population of the town is 0.983 times the population of the town in the previous year.

B is correct.

Step-by-step explanation:

We are given a function which represent population of a town after t years.

$f(t)=7248(0.983)^t$

It is an exponential function. Exponential function wither decease or increase it depends on factor.

$y=a\cdot b^x$

b is factor which decides factor of exponential function decrease or increase.

If b >1 then function increase

If 0<b<1 then function decrease.

If we see our problem $f(t)=7248(0.983)^t$

Here, b=0.983<1

Function would be decrease by factor of 0.983

Thus, The population of the town is 0.983 times the population of the town in the previous year.

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3 years ago

Read 2 more answers