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3 years ago

1. The reciprocal parent function is translated 2 units left and 9 units down.

Mathematics

1 answer:

11Alexandr11 [23.1K]3 years ago

7 0

Answer:

y= -2x-9

Step-by-step explanation:

x would move left or right, and up and down is y

left or down are negative and up or right are positive

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Answer:

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2 years ago

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Answer:

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3 years ago

Read 2 more answers

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3 years ago

3. To divide by a fraction, you must first ?<br> the divisor and then change division to ?

lesya692 [45]

Invert the divisor and multiply

Example:

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$\frac{3}{2}$ × $\frac{2}{1}$

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3 years ago

17. Solve each of the following equations for 0 (a) 4 cos 2x + 2 sin x = 3<br> (b) sin 2x = sin2x<br> (c) 7 sin x cos x = 2

katrin2010 [14]

a) A is a hard one but here goes...

$4cos2x + 2sinx = 3\\4cos2x + 2sinx -3 = 0\\4(1-sin^2x) +2 sinx - 3 = 0\\let w = sinx\\4(1-2w^2) + 2w -3 = 0\\8w^2 + 2w - 3 = 0\\factor\\\\(2w-1)(4w+3)=0\\\\w = sinx = \frac{1}{2},\frac{-3}{4\\}\\x= arcsin(\frac{1}{2}) = \frac{\pi}{6} + 2k\pi \\\\and \\x =arcsin(\frac{-3}{4} )+2k\pi$

$sin2x = sin2x\\sin2x - sin2x = 0$

x = all real numbers

$7sinx*cosx =2\\7 * \frac{sin2x}{2} = 2\\7*sin2x = 4\\sin2x = \frac{4}{7}\\2x = arcsin(4/7)\\x = \frac{arcsin\frac{4}{7} }{2}+2\pi k$ where k is an integer.

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3 years ago