Answer:
120-(30+48)= 42
Step-by-step explanation:
.05n + $28 = $50.50
(.05n = $22.50)100
5n = 2250
n= 450 calls
Koi going goindnjrhdnejwjdjsj
Answer:
Yes, twice
Step-by-step explanation:
The equation will intersect the x-axis when y = 0, so we have
x² - 4x = -3 now solve this quadratic for x...
x² - 4x + 3 = 0
factor...
(x - 3)(x - 1) = 0,
so at x = 1 and x = 3, the function crosses the x-axis
See the graph below