Ayúdenme es urgente 1. Escribe una expresión lineal con variable x, que valga 1 cuando x = 1 y valga 7 cuando x = 3. 2. Escribe una expresión lineal con variable x, que valga −1 cuando x = −1 y valga −5 cuando x = 0.

Average acceleration: i have no idea how to do this.

Pepe and leo deposits money into their savings account at the end of the month the table shows the account balances. if there pattern of savings continue and neither earns interest nor withdraw any of the money , how will the balance compare after a very long time ?

Given that sin∅ = 1/4, 0 < ∅ < π/2, what is the exact value of cos∅? a. (√4)/4 b. (√15)/4 c. (4π)/2 d. (4√2)/4