3 years ago

How do you graph f(x)=7sec(2x)

Mathematics

1 answer:

zysi [14]3 years ago

5 0

Answer:

We know that sec(x) = 1/cos(x). Therefore:

7sec(2x) = 7/cos(2x).

The function won't be define at the points where the denomitator equals zero, which is when x=(2n+1)π/2.

Using a graphing calculator, we get that the graph of the function is the one attached.

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Volgvan

Answer:

Domain: {-3, -1, 1}

Range: {-1, 2, 4, 5}

Step-by-step explanation:

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3 years ago

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Sam has $\frac{5}{8}$ of a pound of chocolate. If he eats $\frac{1}{3}$ of the chocolate he has, how many pounds of chocolate do

givi [52]

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2 years ago

The volume of a cone is 3rx? cubic units and its height is x units. Which expression represents the radius of the cone's base, i

Marianna [84]

Answer:

It is given that the volume of a cone = $3\pi x^3$ cubic units

Volume of cone with radius 'r' and height 'h' = $\frac{1}{3}\pi r^2h$

Equating the given volumes, we get

$3\pi x^3=\frac{1}{3}\pi r^2h$

$r^2h=3$ × $3x^3$

$r^2h=9 x^3$

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Therefore, $r^2x=9x^3$

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2 years ago

After how many seconds is the height 68 feet? When the equation is h=-16t2+64t+8

Rudiy27

<span>68=-16t2+64t+8
16t2-64t+60=0

4t2-16t+15=0
(2t-5)(2t-3)=0
t=5/2 or 3/2
The object is at 68 feet after 3/2 secs, and returns to 68 feet after another second..</span>

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3 years ago