Answer:
x=3
Step-by-step explanation:
By vertical line test, x=3 fails because more than 2 points have the same x value. Functions must pass the vertical line test.
Answer:
3cm
Step-by-step explanation:
those double hashes on those 5 sides mean they are equal. so essentially you have 5 sides that measure 3/10cm and one side that measures 1 1/2cm.
3/10 * 5 = 15/10 = 1 1/2cm
1 1/2cm + 1 1/2cm = 3cm