Answer:
(-∞,+∞)
Step-by-step explanation:
If you look at the graph, you'll see that the lines have arrows. These arrows mean the line extends infinitely. Due to this, the domain of the graph would be from negative infinity to positive infinity.
Answer:
15% markup
Step-by-step explanation:
5% markup would be $1. Since 20*5% or 20*.05=1
We can multiply it by 3 to find the percent for $3 markup. Which is 15% or 0.15
Answer:
1
Step-by-step explanation:
Answer:
the equation ax^2+bx+c=0
calculate b^2-4*a*c and this should be positive or zero to calculate the square root
and x1 = [- b + V(b^2-4ac)]/2a
x2 = [- b - V(b^2-4ac)]/2a
Step-by-step explanation:
<span><span>27≤7x+6</span> </span>
to solve for x you'll have to subtract 6 from both sides then divide both sides by 7
<span><span>21≤7x</span></span>
<span><span /></span>
<span><span><span>3≤x</span> </span></span>