3 years ago

Which negative angle is equivalent to 275°? O A. -75° OB. -65° O C. -95° OD. -85

Mathematics

1 answer:

Zarrin [17]3 years ago

8 0

Answer:

-85º

Step-by-step explanation:

275 - 360 = -85

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Alchen [17]

Answer:

17.00

Step-by-step explanation:

So first you have to add 12.35 to 7.5% which equals 13.27625.

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2 years ago

Determine the domain:<br><br><img src="https://tex.z-dn.net/?f=f%28x%29%20%3D%20%20%5Cfrac%7Bln%28ln%28x%20%2B%201%29%29%7D%7Be%

Xelga [282]

The denominator cannot be zero, so

$e^x - 9 = 0 \implies e^x = 9 \implies x = \ln(9)$

is not in the domain of $f(x)$ .

$\ln(x)$ is defined only for $x>0$ , and we have

$\ln(x+1) > 0 \implies e^{\ln(x+1)} > e^0 \implies x+1 > 1 \implies x>0$

so there is no issue here.

By the same token, we need to have

$x+1 > 0 \implies x > -1$

Taking all the exclusions together, we find the domain of $f(x)$ is the set

$\left\{ x \in \Bbb R \mid x > 0 \text{ and } x \neq \ln(9)\right\}$

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1 year ago