Answer:
√41
Step-by-step explanation:
4^2+5^2
16+25=41
√41
Answer:
4,352 dollars
Step-by-step explanation:
A television used to cost $9,000 and today it costs
$500 less, what is the percentage of
discount?
Percentage discount: 5 5/9 percent
we have the function
y=f(x)=x^2
the domain is all real numbers -------> interval (-∞, +∞)
the vertex of the vertical parabola is the origin (0,0)
the parabola opens upward
the vertex is a minimum
so
the range is the interval [0, ∞)
