Answer:
3) D
4) C
Step-by-step explanation:
1/2 + 1/4 = 3/4
17.6-4.4 = 13.2
Answer:
540
Step-by-step explanation:
Answer: 15 feet
Step-by-step explanation:
Hi, since the situation forms a right triangle (see attachment) we have to apply the next trigonometric function.
Tan α = opposite side / adjacent side
Where α is the angle of elevation to the sun, , the opposite side (x) is the height of the tree, and the adjacent side is the length of the shadow.
Replacing with the values given:
Tan 31 = x /25
Tan 31 (25) =x
x = 15 feet
Feel free to ask for more if needed or if you did not understand something.
Answer:
The domain of the function is -4 ≤ x ≤ 9 ⇒ D
Step-by-step explanation:
- <em>The domain of any relationship is the values of the input</em>
- <em>The domain of the function f(x) = y is the values of x which make the function defined</em>
In the given figure
∵ There are 5 intervals between 0, 10 and 0, -10 on the x-axis
∴ Each square = 2
∵ There are 5 intervals between 0, 10 and 0, -10 on the y-axis
∴ Each square = 2
→ Find the coordinates of the starting and the ending point of the graph
∵ The starting point located 2 squares left and 2 squares down
∴ The starting point of the graph of the function is (-4, -4)
∵ The ending point located 4.5 squares right and 4 squares up
∴ The ending point of the graph of the function is (9, 8)
→ That means the x-coordinates of all points on the graph is from -4 to 9
∴ All values of x-coordinates on the function are located on -4 ≤ x ≤ 9
∵ The domain of the function is the values of x
∴ The domain of the function is -4 ≤ x ≤ 9
