exam Maths Puzzle Numerical Ability

for each compound inequality, give the solution in both interval and graph form.

3x < x + 12 or x + 1 > 10

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exam Other Question

solve the equation:

sq rt of 3x+1 +2 =4

i am so conufesed please help
on page 387 Verify that each of the following is an identity:

1. csc(x)*sec(x) = cot(x)+tan(x)

3. cos(x)*cot(x)/sin(x) = csc(x)/sin(x)*sec^2(x)

4. csc^2(x)-cot^2(x)/sec^2(x) = cot^2(x