Answer:
6) x = 11; y = 11
7) x = 9; y = 9
Step-by-step explanation:
f(1) - 1 = -3
Step 1: Find f(1)
f(1) = -3(1) + 1
f(1) = -3 + 1
f(1) = -2
Step 2: Find f(1) - 1
f(1) - 1 = -2 - 1
36q² − 64 = 0
=> 36q² = 0 + 64
=> 36q² = 64
=> q² = 64/36
=> q² = 16/9
=> q = √(16/9)
=> q = √16/√9
=> q = ± 4/3