"T<u>he function is decreasing":</u>
This means the slope of the function will be negative at the given point. Anywhere the line is going down, from left to right, is decreasing. This eliminates choices A and C.
<u>"The function is concave down":</u>
This means the curve of the function will be open down (think of an upside down u). This eliminates choice E.
<u>"f(x)>0":</u>
This is anywhere the curve is above the x axis. This eliminates choice D.
The answer is Choice B) x=2.
Hope this helps!!
Answer:
$5 per hour
Step-by-step explanation:
Just divide the amount that he earns by the price.
25/5=5
50/10=5
Brett is making $5 an hour.
Round fraction as a decimal: 6/13=.462 that's the answer
Answer:2.5%
Step-by-step explanation:
2.5% of the school has sibloings
55+45=100
100÷40=2.5
1 = 1 x 10 exponent 0
27.5 = 2.75 x 10 exponent 1
