Answer:
f(-2) = 9
Step-by-step explanation:
Given that,
f(x) = x² + x + 7
We need to find the value of f(-2).
Put x = -2 in the given function.
f(-2) = (-2)² + (-2) + 7
= 4-2+7
= 9
Hence, the value of f(-2) is equal to 9.
Answer:
749
Step-by-step explanation:
8349
Answer:
Im not 100% sure but i can tell you it is (D)
Step-by-step explanation:
Answer:
17 days
Step-by-step explanation:
Number of days in which 3 men can finish a house repair job = 10 days
Number of days in which 1 man can finish a house repair job =
days
Therefore,
Number of days in which 5 men can finish a house repair job = Number of days in which 1 man can finish a house repair job × 5
≈ 17 days
Answer:
100 miles
Step-by-step explanation:
7.50-2.50=5.00
100x0.05=5.00