Answer:
d.66
have a good day
a=1 because 3x means 3 multiply 2 and it is substracted from 7 and 7-6 is 1
b=3
c=9
Step-by-step explanation:
hope you will understand from the explanation of a
(2x^2+3)^2
See image below:)
-9×(-87)=783
783÷(-9)=-87
y = 2x + 13
Positive value:
2x + 13 > 0
2x > -13
x > -6.5
Negative value
2x + 13 < 0
2x < -13
x < -6.5
