Choose the equivalent expression to this one: -3.5x + 0.2 + 0.8x + 3x + 0.4 * 1. -2 (-1.15x – 0.3)
2. -2 (0.5x + 0.5)
3. 0.3(x + 2)
4. -0.3(x + 0.3)

explanation:

step-by-step explanation:

i would say true? if the unit was informational and it "refreshed your understanding", then true.

(a) {a₁, a₁r, a₁r², … a₁rⁿ⁻¹, …}

(b) $59 398

step-by-step explanation:

(a) the annual sequence of profits

aₙ = a₁rⁿ⁻¹

the model for the sequence of profits is {a₁, a₁r, a₁r², … a₁rⁿ⁻¹, …} .

(b) profit after 15 yr

  a₁ = $ 30 000

  r = 1.05

a₁₅ = 30 000 × 1.05¹⁴

a₁₅ = 30 000 × 1.979 93

a₁₅ = $59 398

the profit in year 15 will be $59 398.