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3 years ago

If f(x)= –2x+3 then f(3) – f(4)=

Mathematics

2 answers:

Irina18 [472]3 years ago

6 0

Answer:

Step-by-step explanation:

Step 1: Solve for f(3)

$f(3) = -2(3)+3$
$f(3) = -6 + 3$
$f(3) = -3$

Step 2: Solve for f(4)

$f(4) = -2(4) + 3$
$f(4) = -8 + 3$
$f(4) = -5$

Step 3: Subtract f(4) from f(3).

$f(3)-f(4)$
$(-3)-(-5)$
$-3 + 5$
$2$

Therefore, the answer is 2.

arsen [322]3 years ago

4 0

Answer:

Step-by-step explanation:

F(3) means that we plug in 3 for the x value of the original equation, and F(4) means that we plug in 4 for the x value of the original equation

F(3) = -2(3) + 3

= -3

F(4) = -2(4) + 3

= -5

- 3 -(-5) = 2

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3 years ago

A right circular cylinder has a height of 22 1/4 ft and a diameter 2 2/5 times its height. What is the volume of the cylinder? E

Triss [41]

Answer:

The volume of cylinder is:

49806.06 ft^3

Step-by-step explanation:

We are given a right circular cylinder with:

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i.e. $\dfrac{12}{5}$ times it height.

i.e. the diameter is given as:

$\dfrac{12}{5}\times \dfrac{89}{4}=\dfrac{267}{5}ft.$

We know that the radius of cylinder is half the diameter.

Hence, radius(r) of cylinder is:

$\dfrac{1}{2}\times \dfrac{267}{5}\\\\=\dfrac{267}{10}$

The volume(V) of cylinder is given by:

$V=\pi r^2h$

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Hence, the volume of cylinder is:

49806.06 ft^3

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4 years ago

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Answer:

Step-by-step explanation:

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