Answer:
7² or 49
Step-by-step explanation:
y = 2x + 13
Positive value:
2x + 13 > 0
2x > -13
x > -6.5
Negative value
2x + 13 < 0
2x < -13
x < -6.5
log 4 ( a^5 ) - log 4 ( b^6 ) =
log 4 ( a^5 / b^6 )