The function v(t) = 35+ 4t models the speed of a car accelerating out of a 35 mph zone into a 55 mph zone on a local highway, where t is time in seconds. Which best represents v(5)?

the monthly balance will be $75,000

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5=812a+9+3

step 1: simplify both sides of the equation.

5=812a+9+3

5=(812a)+(9+3)(combine like terms)

5=812a+12

5=812a+12

step 2: flip the equation.

812a+12=5

step 3: subtract 12 from both sides.

812a+12−12=5−12

812a=−7

step 4: divide both sides by 812.

812a /812 = -7/812

a= -1/116

so the answer is

a=   -1/116