Answer:
x≥9
Step-by-step explanation:
Pretend the Less than or equal to sign is just an equals sign
-7x+7=-56 Solve:
-7x=-56-7
-7x=-63
For the last step, if you divide a negative number, the Sign switches. So not the sign is greater than or equal to.
x>=9
B.) 3
Exponent rule:
(5⁴)ⁿ = 5¹²
4n = 12
n = 3
10
F(x) = 3x+1, for f. 3)
3x3=9
9+1=10
Answer: Q= -31
3 549
