Exponential Inequalities

5^2x < 125^x-5

• x < 15

• x < -5

• x > 15

• x < 5

10^4x+1 > 100^x-2

32^3x-4 > 128^4x+3

• x < -41/13

• x < -13/41

• x > -41/13

• x < -41

• 6

• 5

• 4

• 3

Which inequality best represents the range of f in this situation?

• x ≥ 0

• y ≥ 250,000

• 0 ≤ x ≤ 110

• 250,000 ≤ y ≤ 1,000,000

• x ≥ 0

• y ≥ 250,000

• 0 ≤ x ≤ 110

• 250,000 ≤ y ≤ 1,000,000

• replacing 0.125 with 12.5

• replacing 0.125 with 0.875

• replacing 8,000 with 7,000

• replacing 15,000 with 2,018

1/81 < 9^2x-4

• x < 1

• x > 9

• x > 1

• x < -1

(1/8)^{-2x - 6} > (1/32)^-x+11

• x > -73

• x < -73

• x > -37

• x < -37