Please fill out the function table.Questions are in the photo.

Mathematics

2 answers:

Alona [7]3 years ago

8 0

I hope this helps you

CaHeK987 [17]3 years ago

4 0

Y=2x+3
X-2 Y=1
X=-1 y=1
X=0y=3
X=1y=5
X=2y=7
------------
Y=-x+6
Y=12
Y=9
Y=4
Y=3
Y=-1
------------
Y=-11x
Y=33
Y=11
Y=-22
Y=-44
Y=-55
---------
Y=-4x-1
Y=19
Y=7
Y=3
Y=-13
Y=-17
---------
Y=5x-4
Y=-34
-19
-4
16
21
-----------
Y=3x-7
-25
-22
-10
-1
1
5
------- that is all

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Find the exact value of cot 7pi/4 & sec13pi/6 including quadrant location

Gennadij [26K]

First we will convert those radian angles to degrees, since my mind works better with degrees. Let's work one at a time. First, $\frac{7 \pi }{4} * \frac{180}{ \pi }=315$ . If we start at the positive x-axis and measure out 315 we end up in the 4th quadrant with a reference angle of 45 with the positive x-axis. The side across from the reference angle is -1, the side adjacent to the angle is 1, and the hypotenuse is sqrt2. The cotangent of this angle, then is 1/-1 which is -1. As for the second one, converting radians to degrees gives us that $\frac{13 \pi }{6} * \frac{180}{ \pi } =390$ . Sweeping out that angle has us going around the origin more than once and ending up in the first quadrant with a reference angle of 30° with the positive x-axis. The side across from the angle is 1, the side adjacent to the angle is √3, and the hypotenuse is 2. Therefore, the secant of that angle is 2/√3.