Solve for x.

5x2 – 80 = 0

a.
{16, –16}

b.
{16}

c.
{4}

d.
{4, –4}

5. (04.07)which of the following exponential functions goes through the points (1, 12) and (2, 36)? (2 points)f(x) = 3(4)^xf(x) = 4(3)^-xf(x) = 3(4)^-xf(x) = 4(3)^x