2times the sum of a number and 4 is less than or equal to 4

The correct answer is x ≤ -2

Step-by-step explanation:

To solve this equation we first have to put it into numerical terms rather than words.

2(x + 4) ≤ 4

Now we follow the order of operations to solve for x.

2(x + 4) ≤ 4 > divide by 2

x + 4 ≤ 2 > subtract 4

x ≤ -2

x<2 is your answer my freind

step-by-step explanation:

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answer: c, the green line

step-by-step explanation:

there is no black line, eliminate b.

simple interest implies periodic payments, but the red line shows no payments, eliminate d.

simple interest has equal payments. if paid say every day, the graph is about a straight line (actually a stairstep).

the yellow line is not straight, eliminate a.

check: the green line is straight, answer is c.

simple interest with positive interest rate gives a straight line sloping up to the right. green line:

g(t) = $100 + ($200-$100) ÷ (20 years) × (t years)

= $100 + (4%/year) × ($100)(t years)

incidentally, the yellow line curving upward represents continuously compounded interest

y = $100 × 2^(t years / (14 assuming the yellow line hits $200 at 14 years. 2^0 is 1, so y(0) = $100; 2^(14/14) is 2, so y(14) = $200.