The awnser is
D. 6 and 10
Answer:
b) 1
Step-by-step explanation:
First, bring the -3 to the right side.
x²+4x + 4
now use b²-4ac.
4²-4(1)(4)
16-16
0
If discriminant < 0 there are 2 imaginary solutions
if discriminant > 0 there are 2 real solutions
if discriminant = 0 there is 1 real solution
The discriminant here is 0 so it has one real solution
Answer: 80m
Numbers above 4 (not including 4) round up. When looking at 1 significant figure you look at the number next to the first number (which is 6) and see if you round up or down
Answer to the first question: 24
Answer to the second question: 2 coupons each
Answer:
Option A.
Step-by-step explanation:
Note: The given function should be instead of .
Consider the given function is
We need to find the function which represents a reflection of f(x) across the x-axis.
If a function f(x) is reflected across the x-axis, then the new function is
Using this rule, we get
Therefore, the correct option is A.