What is the value of the expression below? 2[3(42+1)]-23
2 answers:
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Answer:
domain R
range is ] - infinity, -4]
to assure u :)
First, determine y-intercept and x-intercept of the line
# y-intercept (when x = 0)
y = 2x - 3
y = 2(0) - 3
y = 0 - 3
y = -3
# x-intercept (when y = 0)
y = 2x - 3
0 = 2x - 3
2x - 3 = 0
2x = 3
x = 3/2
x = 1.5
Second, put y-intercept and x-intercept on cartesian plane, then connect the intercepts
See image attached
# y-intercept (when x = 0)
y = 2x - 3
y = 2(0) - 3
y = 0 - 3
y = -3
# x-intercept (when y = 0)
y = 2x - 3
0 = 2x - 3
2x - 3 = 0
2x = 3
x = 3/2
x = 1.5
Second, put y-intercept and x-intercept on cartesian plane, then connect the intercepts
See image attached