Answer:
B
Step-by-step explanation:
f(x) = x²+49 , rewrite the equation
x² +7² =0 , to find the roots make f(x) =0 and subtract 7² from both sides
x² = -7², square root both sides
√x² =√-7², consider √-1 =i
x= ±7i
the roots are -7i and 7i
3.420 times 10 to the 6th power will equal 3,420,000
Answer:
41 ounces, as 2 pounds is 32 ounces and you just add 9
