Answer:
f
−
1
(
x
)
= arccos (
x
)
+ π/
2
Step-by-step explanation:
y=cos(x-pi/2)
For inverse, interchange the variables and solve for y
f
−
1
(
x
)
= arccos (
x
)
+ π/
2
Answer:
x = 5.7 years after 2000
Step-by-step explanation:
So the year when both the amount of users were the same can be found by using the both equations to solve for x (since y is the same)
48x + y = 729
we will take the value of y from this equation and use it in the other equation
y = 729 - 48x
135x - 2y = -140
135x - 2(729 - 48x) = -140
135x -1458 + 98x = -140
231x = 1318
x = 1318/231
x = 5.7 years after 2000
Initial value is f(0) = ???
So when x = 0, y = 3
Answer: 9
Step-by-step explanation: sorry I don’t know
To find the area of a square is Base x Height.
Triangle is 1/2 base x height.
