Question

Evaluate the expression when a=3 and b=4 2a2 + b =

Answer 1

Answer:

The answer is 22 if the problem is:

Evaluate $2a^2+b$ for $a=3 \text{ and } b=4$.

Step-by-step explanation:

Assuming you want to evaluate:

$2a^2+b$ for $a=3 \text{ and } b=4$,

we first to plug in the given values into the given expression.

$2(3)^2+4$

PE(MD)(AS) tells us we need to do our exponents giving we have no symbols acting as grouping symbols:

$2(9)+4$

PE(MD)(AS) tells us to do multiplication and division as it occurs left to right.

$18+4$

PE(MD)(AS) tells to do addition and subtraction as it occurs left to right.

$22$

Answer 2

22......................