Answer:Randy made 64 balloon animals and his sister made 32 balloon animals.
Step-by-step explanation:
Let x represent the number of balloon animals that Randi made.
Let y represent the number of balloon animals that her sister made.
Randi and her sister made balloon animals and sold the for. $0.50 each at the school carnival. They made $48.00. This means that
0.5x + 0.5y = 48 - - - - - - - - - -1
Randi made twice as many balloons as her sister. This means that
x = 2y
Substituting x = 2y into equation 1, it becomes
0.5 × 2y + 0.5y = 48
y + 0.5y = 48
1.5y = 48
y = 48/1.5 = 32
x = 2y = 2 × 32
x = 64
Step-by-step explanation:
To make the function f(x) = {sin(1/x), x ≠ 0; k, x = 0} continuous at x = 0, we need to find the value of k that ensures the limit of f(x) as x approaches 0 exists and is equal to k.
First, let's find the limit of sin(1/x) as x approaches 0:
lim(x -> 0) sin(1/x)
This limit does not exist because sin(1/x) oscillates wildly as x gets closer to 0. Therefore, in order for the function to be continuous at x = 0, we need to choose k such that it compensates for the oscillations of sin(1/x) as x approaches 0.
A suitable choice for k is 0 because the limit of sin(1/x) as x approaches 0 is undefined, and setting k = 0 ensures that f(x) becomes a continuous function at x = 0.
So, the correct choice is:
d. None (k = 0)
The value of k that would make the function f(x) = sin(1/x) when x ≠0 and f(x) = k when x=0 continuous at x=0 doesn't exist. This is because the limit of sin(1/x) as x approaches 0 is undefined, hence the function cannot be made continuous at x = 0 for any value of k.
To find the value of k that makes the function continuous at x=0, we can apply the definition of continuity, which states that a function, f(x), is continuous at a certain point, x0, if three conditions are met:
In the case of the function f(x) = sin(1/x), the value for x = 0 is undefined, but we've been given that f(0) = k. To make the function continuous at x = 0, the value of k should ideally be equal to the limit of sin(1/x) as x approaches 0.
However, as x approaches 0, sin(1/x) oscillates between -1 and 1, making the limit non-existent. Because the limit does not exist, the function is not continuous at x=0 no matter the chosen value of k. Therefore, the correct answer is (d) None.
#SPJ11
Answer:
-1 7/8
Step-by-step explanation:
Answer:
kind of confusing
Step-by-step explanation: