The value of the expression, 13(a • b + a²) + 4, when a = 5 and b = -3 is: B. 134.
How to Find the Value of an Expression?
To find the value of an expression, we have to plug in the respective values for each of the variables given in the expression, then simplify.
Given the expression, 13(a • b + a²) + 4, where:
a = 5
b = -3
To find the value, substitute a = 5 and b = -3 into the expression:
13(5 • -3 + 5²) + 4
13(-15 + 25) + 4
13(10) + 4
= 130 + 4
= 134
The value is: B. 134.
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