Gaira was asked to evaluate the algebraic expression −3.8x + 6when x = −7.5.
a) −3.8(−7.5) + 6 = −28.5 + 6 = −22.5
b) −3.8(−7.5) + 6 = 28.5 + 6 = 34.5
c) −3.8(−7.5) + 6 = 45 − 6 = 39
d) −3.8(−7.5) + 6 = 16.5 + 6 = 22.5