log7(4x+ eleven)-log7(twenty-five -x^ two)>=sin11pi/ two
logarithm of 7(4x plus 11) minus logarithm of 7(25 minus x squared ) greater than or equal to sinus of 11 Pi divide by 2
logarithm of 7(4x plus eleven) minus logarithm of 7(twenty minus five minus x to the power of two) greater than or equal to sinus of 11 Pi divide by two
log7(4x+11)-log7(25-x2)>=sin11pi/2
log74x+11-log725-x2>=sin11pi/2
log7(4x+11)-log7(25-x²)>=sin11pi/2
log7(4x+11)-log7(25-x to the power of 2)>=sin11pi/2