0, 1/2, -53, and 0.433 all belong in rational category
When a zero of a function does not cross the x-axis but touches it, this means that the zero is a "double root". It has two of the same factor (x - 4)^2 and two of the same zeros, x = 4 and x = 4
f(x) = x^2 - 8x + 16 would be the function with a double root at 4
Answer:
Step-by-step explanation:
amplitude of y=a sin x
amplitude=a
Here y=-4sin 2x
amplitude=-4
Answer: 9+(3)(2)
=15
Step-by-step explanation:
9+(3)(2)
=9+6
=15
Answer:
The correct option is C. 9 houses could 18 men paint in 6 hours.
Step by step explanation:
Let the number of houses paint by 18 men in 6 hours be x.
One man can paint one house in 12 hours.
The part of house painted by a man in 1 hour is
.
The part of house painted by a man in 6 hour is

The total number of men is 18. Therefore the number of houses painted by 18 men is

Therefore correct option is C. 9 houses could 18 men paint in 6 hours.