Answer:
what triangle????????????????????????????
it would be c
Step-by-step explanation:
Answer:(3x-7) (3x-7)
9x2-42x+49
The two by the 9 is power of 2 so the small two above
f(x) = 2x + 5
f(-6)= 2(-6) + 5 = -12 + 5 = -7
