(7+4) = 11 so 11 squared (11×11) is 121. The correct answer is 121
Answer:
1134
Step-by-step explanation:
When x=0, y=4...
Therefore:
4=a*b⁰
b⁰=1, so a=4.
----------
When x=1, y=2...
Therefore:
2=4*b¹
4b=2
b=2/4
So... b=1/2.
This means that:
y=4*((1/2)^x)
The answer is 55° because 75° + 50° = 125°, 180°-125°= 55°