Answer: (4, -1)
Step-by-step explanation: You have to rewrite in vertex form and use the form to find the vertex
Answer:
10
Step-by-step explanation:
substitute -8 into x.
f(-8)=-8+18=10
C is the best one I'm pretty sure it makes the most sense
Answer:
The median is 40. The least number of smartphones distributed is 34. Finally, the third quartile is 48. Hope this helps!
Step-by-step explanation:
Option D:
The approximate area of the figure is 109.6 square feet.
Solution:
The figure is splitted into three shapes.
One is rectangle and the other two is semi-circles.
Diameter of the semi-circle = 5 feet
Radius of the semi-circle = 5 ÷ 2 = 2.5 feet
Area of the semi-circle = 

Area of the semi-circle = 9.8 square feet
Area of 2 semi-circles = 2 × 9.8
Area of 2 semi-circles = 19.6 square feet
Length of the rectangle = 18 feet
Width of the rectangle = 5 feet
Area of the rectangle = length × width
= 18 × 5
Area of the rectangle = 90 square feet
Area of the figure = Area of 2 semi-circles + Area of the rectangle
= 19.6 square feet + 90 square feet
= 109.6 square feet
The approximate area of the figure is 109.6 square feet.
Hence Option D is the correct answer.