Step-by-step explanation:
f(x) = x² + 1, where x >= 0.
Let y be f(x).
=> y = x² + 1
=> x² = y - 1
=> x = √(y - 1) because x is non-negative.
Hence f^-1(x) = √(x - 1), where x >= 1.
Answer:
250 berries
Step-by-step explanation:
10 to 1 means 10 times as many berries as oranges
25x10=250
Answer: x= 3
Step-by-step explanation:
15x-25+2=22
15x-25=25
15x=50
x=3.333333
x=3
Answer:
cant under stand thoes
Step-by-step explanation:
sorry
Answer:
A
Step-by-step explanation:
a^2+b^2=c^2 is the pythagorean theorem
solution a just has it flipped around