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2 years ago

PLEASE HELP ME!!!!!A. f(4)=7B. f(1)=0C. f(-1)=2D. f(-2)=0

Mathematics

2 answers:

ololo11 [35]2 years ago

6 0

I believe the answer would be C.

IceJOKER [234]2 years ago

4 0

I can't seem to find the graph. Can you copy and paste the link so I can help I really want to help.

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Verify cot x sec^4x=cotx +2tanx +tan^3x

Tanzania [10]

Answer:

See explanation

Step-by-step explanation:

We want to verify that:

$\cot(x) \: { \sec}^{4} x = \cot(x) + 2 \tan(x) + { \tan}^{3} x$

Verifying from left, we have

$\cot(x) \: { \sec}^{4} x = \cot(x) \: ( 1 + { \tan}^{2} x )^{2}$

Expand the perfect square in the right:

$\cot(x) \: { \sec}^{4} x = \cot(x) \: ( 1 + { 2\tan}^{2} x + { \tan}^{4} x)$

We expand to get:

$\cot(x) \: { \sec}^{4} x = \cot(x) \: + \cot(x){ 2\tan}^{2} x +\cot(x) { \tan}^{4} x$

We simplify to get:

$\cot(x) \: { \sec}^{4} x = \cot(x) \: + 2 \frac{ \cos(x) }{\sin(x) ) } \times \frac{{ \sin}^{2} x}{{ \cos}^{2} x} +\frac{ \cos(x) }{\sin(x) ) } \times \frac{{ \sin}^{4} x}{{ \cos}^{4} x}$

Cancel common factors:

$\cot(x) \: { \sec}^{4} x = \cot(x) \: + 2 \frac{{ \sin}x}{{ \cos}x} +\frac{{ \sin}^{3} x}{{ \cos}^{3} x}$

This finally gives:

$\cot(x) \: { \sec}^{4} x = \cot(x) + 2 \tan(x) + { \tan}^{3} x$

3 0

3 years ago

Jada made 14 cups for of blueberry jam and divided the jam equally amoung 8 containers how much jam went in each container

N76 [4]

Uhm I’m not completely sure but 1.75

3 0

2 years ago

A 2-gallon container of disinfectant costs $24.32. What is the price per cup?

max2010maxim [7]

.76 cents per cup.

Their are 16 cups in a gallon.
2 gallons would be 32cups.
Divide 24.32 by 32.

0.76 is your answer

4 0

1 year ago

Read 2 more answers

Please help right now please

const2013 [10]

Answer:

A or 24

Step-by-step explanation:

In PEMDAS you do the steps from left to right in the name.

So first, you do 3 * x and x = 6 so 3 * 6 which is 18.

then 18 + y and y = 8 so 26

26 minus 2 is 24.

Hope this helped~ ^-^

4 0

2 years ago

Write the slope-intercept form of the line with a slope of 2 and a y-intercept of -4. Include your work in your final answer. Ty

kakasveta [241]

Y=mx+b m=slope b=y intercept
y=2x-4

7 0

2 years ago

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