Answer:
1) The first option
2) -9, -7, 6, 8, 10
3) Rise by 10 degrees
Step-by-step explanation:
Ascending is from smallest to biggest therefore you start with the smallest negative number and end with biggest whole number.
Answer:
633,870,000
Step-by-step explanation:
Add it together either on a calculator of a sheet of paper.
-4(3r - 2) - 2(r + 1) = 0
-12r + 8 - 2r - 2 = 0
-14r + 6 = 0
-14r = - 6
r = 6/14
r = 3/7
Problem 1
Answer: choice C) f(x) = (-1/2)cos(x)
We can rule out anything with sine in it since the graph does not go through the origin. We can rule out choice A as well since plugging x = 0 into f(x) leads to a positive result, when instead we want a negative value. So the only thing left is choice C
======================================================
Problem 2
See the attached image
Point A is approximately (1.57, 0) which is exactly (pi/2, 0)
Point B is approximately (3.14, -2) which is exactly (pi, -2)
======================================================
Problem 3
Answer: 1/pi
Period = pi since the graph repeats itself every pi units
Frequency = 1/Period
Frequency = 1/pi
======================================================
Problem 4
Answer: Choice A) f(x) = cos(2x)
This is a cosine function as it doesn't go through the origin. The period is T = pi, so b = 2pi/T = 2pi/pi = 2 is the coefficient of the inner x term. Therefore the function is f(x) = cos(2x)
======================================================
Answer:
-3
Step-by-step explanation: