The function f(x)=-a^x+4 will never cross the x-axis if a is positive. True or false

Let the closed interval [a , b] be the domain of function f. the domain of f(x - 3) is given by (a) the open interval (a , b) (b) the closed interval [a , b] (c) the closed interval [a - 3 , b - 3] (d) the closed interval [a + 3 , b + 3]

The table above shows approximate conversions from gallons to liters. what is the value of x?

Write a fraction less than 1, which has a denominator of 6 and is greater than 3/4 plz answer !